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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

The value of acceleration due to gravity is 980 `cm//sec^2`.What will be its value if the unit of length is kilometer and that of time is hour ?

Answer» Correct Answer - `1.27xx10^(5) km hour ^(-2)`
Discussion
2.

The velocity of sound in a gas depends on its pressure and density . Obtain the relation between velocity , pressure and density.

Answer» Correct Answer - `V=ksqrt(P//D)`
Discussion
3.

The value of coefficient of viscosity in the cgs system is 12. What is its value of the same in SI units ?

Answer» Correct Answer - `1.2 Nsm^(-2)`
Discussion
4.

The viscous force on a spherical body, when it moves through a viscous liquid, depends on the radius of the body, the coefficient of viscosity of the liquid and the velocity of the body.Find an expression for the viscous force.

Answer» Correct Answer - `F=ketarv`
Discussion