HSC Science Class 11 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Physics

A fresh air is composed of nitrogen N₂ (78%) and oxygen O₂ (21%). Find the rms speed of N₂ and O₂ at 20°C.

If the rms speed of methane gas in the Jupiter’s atmosphere is 471.8 ms⁻¹, shows that the surface temperature of Jupiter is sub-zero.

Calculate the temperature at which the rms velocity of a gas triples its value at S.T.P. (standard temperature T₁ = 273 K)

A hollow sphere is filled with water. It is hung by a long thread. As the water flows out of a hole at the bottom, the period of oscillation will ____________.

The damping force on an oscillator is directly proportional to the velocity. The units of the constant of proportionality are

When a damped harmonic oscillator completes 100 oscillations, its amplitude is reduced to `1/3` of its initial value. What will be its amplitude when it completes 200 oscillations?

Which of the following differential equations represents a damped harmonic oscillator?

What is meant by free oscillation?

Explain damped oscillation. Give an example.

Define forced oscillation. Give an example.

What is meant by maintained oscillation? Give an example.

Explain resonance. Give an example.

Explain in detail the four different types of oscillations.

If the error in the measurement of the radius is 2%, then the error in the determination of the volume of the sphere will be ______

The length of a body is measured as 3.51 m, if the accuracy is 0.01m, then the percentage error in the measurement is ______

The measurement value of the length of a simple pendulum is 20 cm known with 2 mm accuracy. The time for 50 oscillations was measured to be 40 s within 1 s resolution. Calculate the percentage accuracy in the determination of acceleration due to gravity ‘g’ from the above measurement.

Define precision and accuracy. Explain with one example.

Explain in detail the various types of errors.

What do you mean by the propagation of errors? Explain the propagation of errors in addition and multiplication.

Force acting on the particle moving with constant speed is ______