The circular scale of a spherometer is divided into 200 equal divisions; if its least count is 0.005 mm

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If the value of G, the gravitational constant in CGS system is $6.70 \times 10^{-8}$, then what is its value in S.I unit?

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In a given slide callipers 10 division of its vernier coincides with its 9 main scale division.

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The surface tension of liquid in CGS system is 70 dyne / cm then what will be its value in SI unit.

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ANAND_YADAV Asked Jul 29, 2023

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The Young's modulus of a material of wire is 12.6 × 1011 dyne /cm2. Its value in MKS system is :

ANAND_YADAV Asked Jul 29, 2023

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Chandan Asked Sep 11, 2023

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A vessel of volume 2000 cm ^{3} contains 0.1 mol of oxygen and 0.2 mol of carbon dioxide. If the temperature of the mixture is 300 K, find its pressure.

Chandan Asked Sep 11, 2023

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Aayush Asked Feb 7

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If in the equation $y=a \sin (\omega t-K x)$, y and x stands for distance and t for time respectively, then find the dimension of $a, \omega$, and $K$.

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In the equation given below what are the SI units of C1 and C2, if y is in meter and t is in second.

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If unit of length and time is doubled, the numerical value of ' $g$ ' (acceleration due to gravity) will become?

ANAND_YADAV Asked Jul 29, 2023

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ALOK_RAJ Asked Nov 22, 2023

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The density of water at room temperature is 1.0 g/mL. How many molecules are there in a drop of water if its volume is 0.05 mL ?

ALOK_RAJ Asked Nov 22, 2023

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Chandan Asked Sep 11, 2023

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A vessel of volume $8.0 \times 10^{-3} m ^{3}$ contains an ideal gas at 300 K and 200 kPa. The gas is allowed to leak till the pressure falls to 125 kPa. Calculate the amount of the gas (in moles) leaked assuming that the temperature remains constant.

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Ankit Asked Oct 2, 2023

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The speed of a particle as a function of time is represented by V=A$_1$ cosA$_2$t. What are the dimension and S. I. units of constant A$_1$ and A$_2$?

Ankit Asked Oct 2, 2023

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Ankit Asked Oct 2, 2023

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The displacement of a particle is represented by y= A t+ Bt$^2$+ Ct$^3$, then what are the dimensions of A, B and C.

Ankit Asked Oct 2, 2023

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ANAND_YADAV Asked Jul 29, 2023

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$\int \frac{x d x}{\sqrt{2 a x-x^{2}}}=a^{n} \sin ^{-1}\left[\frac{x}{a}-1\right]$. The value of $n$ is —

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ALOK_RAJ Asked Aug 3, 2023

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A deuteron of kinetic energy 50 keV is describing a circular orbit of radius 0.5 m

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ANAND_YADAV Asked Jul 30, 2023

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61.25% (w/w) H2SO4 stock solution has a density of $1.6 g mL ^{-1}$. The molecular weight of H2SO4 is $98 g mol ^{-1}$. The volume $( mL )$ of stock solution required to prepare a 200 mL solution of 0.3 M H2SO4 is :

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ANAND_YADAV Asked Aug 2, 2023

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If C represents the capacity of a condenser and if V represents the P.d. across its end then find the dimension of $CV ^{2}$.

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An organic compound on analysis was found to contain 0.032% of Sulphur by mass. The molecular mass of the compound, if its one molecule contains two Sulphur atoms, is :

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AnjaliYadav Asked Oct 31, 2022

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Under what condition the instantaneous velocity of a body is equal to its average velocity.

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Aayush Asked Feb 8

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If the value of pressure is $10^{6} dyne / cm ^{2}$ in CGS system, then calculate its value in SI unit.

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Aayush Asked Feb 6

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If the value of coefficient of viscosity in SI unit is $1.2 N sec m ^{-2}$, then calculate its value in CGS system.

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Chandan Asked Aug 1, 2023

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A coil in the shape of an equilateral triangle of side 0.02 m is suspended from its vertex such that

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Let A={1,2,3,4,5,6} and * be an operation A defined by $a{ }^* b=r$, where r is the least non-negative remainder when the product a b is divided by k. Operation * is binary operation if k=

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Chandan Asked Oct 15, 2023

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A gas bubble from an explosion under water oscillates with a time period T which is proportional to $P ^{a} \rho^{b} E ^{c}$ where $P$ is the pressure

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Obtain the dimension of the constant 'a' and 'b' involved in the Vander Waal's equation of state.

Chandan Asked Oct 6, 2023

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ALOK_RAJ Asked 6 Days Ago

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If the eye is kept very close to a converging lens (focal length = 10 cm) and at the optical centre of the lens and an object is kept at distance 'd' then the minimum distance 'd' of the object from the lens so that its image can be seen clearly by the defect free eye is :

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A heavy uniform chain lies on a horizontal table. If the coefficient of friction between the chain and the table is 0.25. then the maximum fraction of the length of the chain that can hang over one edge of the table is

Shiv roshan kushwaha Asked Apr 3, 2022

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ALOK_RAJ Asked Aug 12, 2023

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In the equation $X=3 Y Z^{2}, X$ and $Z$ have dimension of capacitance and magnetic induction. What is the dimension of $Y$ in SI system.

ALOK_RAJ Asked Aug 12, 2023

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ANAND_YADAV Asked Jul 29, 2023

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The length of a rectangular plate is measured by a meter scale and is found to be $10.0 cm$. Its width is measured by vernier callipers as $1.00 cm$.

ANAND_YADAV Asked Jul 29, 2023

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Aayush Asked Feb 8

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It is found that error in the measurement of the radius of a sphere is 1%; then what is the error in the measurement of its volume?

Aayush Asked Feb 8

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ANAND_YADAV Asked Jul 29, 2023

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If we use permittivity $\varepsilon$, resistance $R$, gravitational constant $G$ and voltage $V$ as fundamental physical quantities, then :

ANAND_YADAV Asked Jul 29, 2023

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Aayush Asked Feb 2

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0.05 mole of LiAIH4 in ether solution was placed in a flask containing 74g (1 mole) of t-butyl alcohol. The product LiAIHC12H27O3 weighed 12.7 g. If Li atoms are conserved, the percentage yield is —

Aayush Asked Feb 2

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ANAND_YADAV Asked Aug 2, 2023

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If a current I is flowing through an inductance L, then find the dimension of $L I ^{2}$.

ANAND_YADAV Asked Aug 2, 2023

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Aayush Asked Feb 7

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Is it correct to say that two quantities which are to be added must have the same dimension.

Aayush Asked Feb 7

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The circular scale of a spherometer is divided into 200 equal divisions; if its least count is 0.005 mm

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