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Questions And Answers
[1] what is the True value of 40/4(2+3) According to casio scientific calculator, it comes out to be 2. My old times teacher says the same. i also believe so.
Answer: Couns ma je kriya joy te pahela karavi vadi Gunakar ane bhagskar paiki je kriya pahela aave te pahela karavi ahi kaus ma 2+3 chhe pratham teno javab kevo tyar bad na step ma pahela 40 ane 4 vachche bhagakar chhe te karavo badama gunakar thay jethi javab60 ave
[2] Last 10-12 year na question karvathi board ma saro score kari shakay?
Answer: Dakhala ane mota prashno ma fayado thay pan MCQ ma bahu fayado na thay
[3] Sir,tame khubaj sars kam karo cho
Answer: Thanks
[4] Coulomb's Law
Answer: Be vijbhar vachche lagatu vidhyutkiy bal te be vijbharo na muly na gunakar na sampraman ma ane temani vachche na antar na varg na vyast praman ma hoy chhe
[5] AC voltage applied to series lcr circuit in gujarati
Answer:
V=I cos(wt+ð)/(R+(wL-(1/wC)))1/2
[6] There are n envelopes and n letters. In how many ways, we can put those letters in those envelopes such that no any letter is put in the right envelope?
Answer: Answer is as shown in following image
[7] Gujket 2020 paper in gujarati biology
Answer: Nicheni link parthi gujcet 2020 biology nu paper malase
Visit Link
[8] Click here to view full question!
Answer: Ratio is 1:1 Because here base of both triangle is same and both are between same parallel line And as we know all triangle between same parallel line with same base have same area
[9] Hindi me papar nahi he kya?
Answer: Swirf gujrati aur english me hi hai
[10] Where can get previous years gujcet question papers??
Answer: Nicheni link parthi gujcet na badha juna paper madase
Visit Link
[11] Jo be dolak ek sathe dolan ni sharuat madhyman sthanethi kare ane temana avartkal anukrame T ane 5T/4 hoy to jyare pahelo dolak ek dolan puru kare tyare bija dolak ni kala shodho
Answer:
aa mcq solve karava mate niche pramane gantri thay
have bijo dolak madhyaman sthan thi gatini saruat kare chhe
tethi t samay bad teni kala=wt thay
ahi w=2¶/T' letha kala nu sutra (2¶/T')t thay
have T'=5T/4 chhe ane pahelo dolak ek dolan puru kare
tyare t=T thay a bnne kimat mukata
bija dolak ni kala 8¶/5 thay
jenu ans map 2880 thay
[12] Jo pruthvi ni trijya teni hal ni trijya Re na 60% thai jay to gurutv praveg ma ketalo ferfar thay?
Answer:
have trijya 60% thai jay
etale ke trijya Re mathi 60Re/100=0.6Re thai jay
have mukt gurutva prave ge=GMe/Re2 chhe
mate navo g=GMe/0.36Re2=ge/0.36=2.778ge thay
aam gurutva praveg ma ferfar
Delta g=g-ge=2.778ge-ge=1.778ge=177.8ge/100
aam 177.8% no ferafar thay
[13] sir ek pan pdf dekhati nathi website ma khali blank boxj ave che su karie???
Answer: me site par chek karyu badhi j pdf barabar dekhay chhe kadach sarvar ma error hase jethi tyare na dekhai aam chhata pdf na dekhay to kai post ni pdf chhe ane tame kyu browser vaparo chho te prasn swarupe ask question ma janavajo
[14] Sir 11science sem 2 na physics na chapter no-7 na swadhayay na mcq 5 & 6 ni rit shikhavadone........!!!!
Answer: mcq -5 solve karava mateniche pramane gantri thay
have bijo dolak madhyaman sthan thi gatini saruat kare chhe tethi t samay bad teni kala=wt thay ahi w=2¶/T' letha kala nu sutra (2¶/T')t thay have T'=5T/4 chhe ane pahelo dolak ek dolan puru kare tyare t=T thay a bhhe kimat mukata bija dolak ni kala 8¶/5 thay jenu ans map 720 thay
mcq-6 mate y=Asinwt levu 3/8 dolan puru thay tyare lola A sudhi pahochi pachhu madhyaman sthan taraf gati kartu hoy ane A/2 antere hoy tethi y=A/2 thay aa kimat y na samikaran ma mukata sinwt=1/2 thay tethi wt=5¶/6 thay karanle 3/8 dolan bad kala ¶/2 kara ta vadhu hoy
aam (2¶/T)t=5¶/6 thay tethi t=5T/12 thay
[15] 1,2,3,4
Answer: Tamaro prasn samajayo nahi
[16] jo ek naram lokhand na tukada ne H1 jetala chumbakiy xetr ma mukata tukada ni andar chumbakiy xetr H2 thay to (A) H1 > H2 (B) H1 < H2 (C) H1 = H2 (D) Kai kahi na shakay
Answer: naram lokhand ni parmi ability vadhu hovathi ane te feromagnetic padarth hovathi teni andar chumbakiy xetra rekha gich hoy jethi chumbakiy xetra vadhi jay tethi H2 e H1 thi moto hoy vikalp B sacho javab chhe
[17] ak padarth udhva dishama 60m/s na vegthi fekvama avelche 10 second bad teni sareras jadap ane sareras veg sodho?
Answer:
sareras zadap sodhava kapel kul antar soddhavu pade ane sareras veg maate karel sthanantar sodhave pade
have jyare padarth ne 60 m/s na veg thi upar taraf fekavama ave tyare
samikaran v=v0+at ma
v0=60, v=0 ane a=g=10m/s leta te 6s sudhi upar gati karase
aathi samikaran d=v0t-(1/2)at2 ma
v0=60, t=6s ane a=10m/s2 mukata d=180m made
bakini 4 s te niche taraf gati kare
jema teno prarambhik beg 0 hoy
tethi samikaran d=v0t+(1/2)at2 ma
v0=0 ane a=10m/s2 mukata d=80m made
aam kapel kul antar 180+80=260 thay
tethi sareras zaadap 260/10=26m/s thay ane
sthanatar 100m thay
karanke padarth180m uche gaya bad 80m niche utare chhe
tethi antim uchai 100m thay
tethi sareras veg 100/10=10m/s thay
[18] Ek electron vidyutxetr ni ger hajari ma10s ma 1X10^-4m antar kapato hato te vidyut xetr ni hajari ma aatalaj samay ma 2X10^-4m antar kaape chhe to teno asar karak drift veg shut hay..
Answer:
drift veg hammesa vijxetra ni hajari ne karne je asarkarak sthanantar thay tena adhate shodhava ma ave chhe
ahi vijxetra vagar pan electron 1X10-4m antar kapato hato te vijxetr ni hajari ma 2X10-4 m kape chhe
tethi asar karak sthanantar 1X10-4m thay
jena mate 10s samay joie chhe
tethi sthanantar ne samay vade bhagata drift veg 1X10-5m/s made.
[19] aapel mcq ni image ma 4 oham na avarodh ma ketali ushma utpann thay
Answer:
a mcq ma 10 avrodha ma utpann thati usma apel chhe 10 cal/s tethi H=I2Rt parthi
10=I2X10X1
tethi I2=1
tethi I=1ahi ekam calari maj raheva devo jethi antim javab calari maj ave
have nicheni line ma avrodh 10 chhe jyare uparni line ma 9 chhe etaleke nicheni line karta uparni line ma 9/10 gano avrodh chhe tethi uparni line ma nichhe karta pravah10/9 gano hoy etale I=10/9
have H=I2Rt
=100/81X4X1=4.94=5 cal thay
[20] What is earth conductor or insulator?
Answer: Earth is conductor in fact it has almost infinite conductivity
[21] Image question about velocity of charge in electric field to view question click here
Answer:
ahi vijbhar q ane vijxetra E nu muly apyu chhe
tena adhare F=qE sutra parthi bal F medavo
tena parathi kary W=Fd melavo
have kary gati urja na ferfar jetalu hoy tethi gati urja no ferfar made
have kan prarambh ma sthir haro tethi gati urja no ferfar j antim gati urja thase
aam tamane gati urja (mv2/2)made jena parthi veg v madi jase
aa rite dakhalo gano
[22] : 1 peti ma 4 red and 7 blue ball che.. be ball purvni sahit pasand karvama ave 6.....to sambhavana sodho? (1)banne ball red hoy (2)banne ball bvlue hoy (3) ek red and bijo blue pasand thay....
Answer:
ahi ek vat nondho ke je vastu magi chhe tene gujarati ma vaky swarupe bolo jya ane shabda ave tya gunakar ane jya athava shabda ave tya sarvado karvo
#bnne vakhat ball lal hoy tene vakya swarupe a pramane bolay"pratham dado lal hoy ane bijo dado pan lal hoy " ahi ane sabd no upayog karyo chhe tethi pratham lal dado madvani sambhavana ane biji vakhat lal dado madavani sambhavanano gunakar karvo joie
(1)kul 11 dala chhe jemathi 4 lal chhe tethi pratham dado lal hou teni sambhavana 4/11 thay puravni sahit pasandgi hovathi biji vakhat ni sambhavna pan 4/11 thay tethi kul sambhavna (4/11)(4/11)=16/121 thay
(2)pratham blu hovani sambhavana 7/11 bijani pan 7/11 tethi banne blue hovani sambhavna 49/121 thay
(3) upar mujab ek lal hovani sambhavana 4/11 ane ek blue hovani sambhavana 7/11 thay tathi ek lala ane ek blue ni sambhavna 28/121 thay
[23] this question is in image form so to view this question click here
Answer:
omega ne hu w vade darsavis
w e uniti nu emejnary qubik root chhe
therefore w3-1=0
(w-1)(w2+w+1)=0 as w is an imagnery qubiq root or unity w is not equal to 1
therefore w2+w+1=0
have rakam ma je nischayak(diterminent) chhe tenu niche pramane vistaran they
D=2(0+1)-2w(0-1)-w2(-1-1)
=2+2w+2w2
=2(1+w+w2)
=0
[24] pruthavi na chumbakiy dhruvo tena bhogolik dhutuvo thi ashare 2000 km dur avela che sha mate? hal ma tema kai ferfar thayoche ke nahi?
Answer:
Ans-1:Tenu sachu karan to haji vaignanik pan nathi janata pan kadach avu karan hoi sake tame te to janataj haso ke pruthvi na farvathi tena garbh bhag ma rahel ayano pan fare chhe jethi vij pravah gala rachay chhe jethi pruthvi ne chumbakiy xetra chhe have pruthvi to potani dhari uparant sury ni aas paas pan fare chhe tethi sakya chhe ke pravah gala visuvvrut ne samantar na hoy jevi rite dol ma pani bhari te pani fervie ane done pan pruthvi ni jem fetavie to fartu pani ek baju sahej uchu thai jay chhe avij rite pruthvi ma pan thatu hase jethi dhruvo 2000 km dur chhe
Ans-2:Ha hal ma pan dhruvo ma ferfar thay chhe dar varse dhruv potana sthanethi lagbhag 10cm jetala khase chhe ane 1000000 =10 lakh vars ma pruthvi na chumbakiy xetra na dhruvo ultai jay chhe
[25] Sabit karo Udaharan na dakhla na jawab Gokhi sakay?
Answer: Na karanke sabit karavana dakhala ma rit darshavo toj mark made mate sidha javab gokhavano koi fayado thay nahi
[26] What is function ?
Answer:
koi pan relation f:A --->B function chhe ke nahi te nichhhe pramane cheak karavanu
# A na koi pan element par f applie karavathi madato javab B maj hovo joie vadi javab koi ekj element hovo joie jemake root4 na be answer chhe +2 ane -2 avi rite A na koielement par f apply karavathi je javab made te B no ekaj element hovo joie ekathi vadhu chale nahi
jo relation f a sarat nu palan kare to te A thi B parnu function chhe tem kahevay
[27] (1)why the sun flower follows the sun? (2)aapne buildings banavie tyare koik vaar diwal mathi chod ugi jay che aavu sa mate thay ane kevi rite thay?
Answer:
Ans-1:-sunflower sun ne follow kare te manyata khoti chhe me sury mukhi na ghana chhod nu avlokan kari joyu chhe ke surymukhi nu ful purv ke paschin disama mukh rahe tem khile chhe khilya pachhi te jemnu tem rahe chhe sury jem akash ma gati kare tem te potanu mukh feravtu nathi
Ans-2:-apane jyare koi makan ke bilding banavie tyre tema je reti ke mati vaparie tema ghani vanaspati na bij hoy chhe je anukul vatavarn madata ankurit thay chhe jethi diwal ma vanaspati uge chhe
[28] jo koi vijbhar ne anant antare thi vidhutxetra mana apela bindu e pravegrahit gati karavi lavva ma ave chhe to teni pase kai urja hase ????sha mate???
Answer: : vijbhar ne praveg rahit gati karavine lavava ma ave chhe eno arth e chhe ke jo saruat ma vijbhar sthir hoy to ant ma pan sthir hovo joie vachche to te sthir sthiti mathi gati ma ave tyare pravegit thay j chhe pan ant ma farithi tene sthir karvano chhe tevo arth karvano chhe saru ma apane jyare tene sthir sthiti mathi gati ma lavie tyare urja gati urja na swaupa ma hoy chhe pachhi jyare tene pachho sthir karie tyare teni gati urja pachhi sthiti urja bani jay chhe aam ant ma teni pase sthiti urja hoy chhe
[29] What is quarks in atom ? What is its work ?
Answer:
Ans in english:-Quarka are primery particle of atom which make proton and nutron.There are two types of quark 1st one is up quark which has +(2/3)e charge 2nd one is down quark which has -(1/3)e charge where e indicatscharge of electron.Two up and ond down quark make proton which is known as uud similaly nutron is made of udd quarka can not be isolated
Ans for gujarati midium student:-quarka e parmanu na mulbhoot kan chhe ke je proton ane nutron banave chhe te be prakarna hoy chhe up quarka ane down quarks up quark ne +(2/3)e ane down quarks ne -(1/3)e vidut bhar hoy chhe be up ane ek down quark maline proton banave chhe jene uud bandharan kahechhe avij rite nutron nu bandharan udd hoy chhe qurks kyarey swatantra astitva dharavata nathi
[30] kosho na sahayak ane virodhak jodan vise samjavo ne sir.
Answer:
#Sahayak jodan:-koso na sahayak jodan ma ek kos na dhan dhruv ne bija kos na run dhruv sathe athava pahelana run ne bijana dhan dhruv sathe jodavama ave chhe etleke bnne kos na virudhdh dhruvo ek bija sathe jodava ma ave chhe aa rite taiyar thata jodan nu emf banne kos na enf na sarvada jetlu hoy chhe
#virodhak jodan:- a prakar na jodan ma ek kos na dhan sathe bijano dhan athava ek na run sathe bijano run dhruv jodavama ave chhe etaleke banne kos na saman dhruvo jodavama avechhe aa rite tiyar thata jodan nu enf bannne kos na emf ni badbaki jetalu joy chhe
[31] Nicheno dakhalo ganitiy Anuman ni rite sabit karo
Answer:
[32] which is suitable time to contact u, my no is 942774xxx
Answer: you can contact me from 5:30 p.m. to 9:00
[33] sir , i am getting only physics papaer not other subject in old paper of guj. state. board in 2018 paper, kinldy guide my no is 94277xxxx
Answer: I can't contact you for any kind of information related to site you have to visit regularly our site and check question's answer page
today I am uploading other papers so you can get them now
[34] Click here to view full question!
Answer:
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Answer:
[36] Glucoz nu dahan samjavo
Answer: 
[37] Aa samikaran kevi rite made
Answer:
[38] 1/(1+x^3) Nu sankalan shu thay?
Answer: 