Question 1

Who derived the relationship for wave velocity in solids, which became a cornerstone of physical acoustics?

A. Galileo Galilei B. Marin Mersenne C. Pythagoras D. Newton

Question 2

According to Rayleigh's scattering law, which wavelength colors are scattered much more than the longer wavelength colors?

A. Longer wavelength colors B. Both shorter and longer wavelength colors are scattered equally C. Shorter wavelength colors D. None of the above

Question 3

Which branch of mechanics deals with moving bodies under the action of forces?

A. Kinematics B. Kinetics C. Statics D. Dynamics

Question 4

What is the term used for the redirection of a beam of light in all directions when it interacts with a particle of medium?

A. Refraction B. Reflection C. Diffraction D. Scattering

Question 5

Which of the following is an example of inertia of direction?

A. A body resisting a change in its state of motion. B. An object leaning forward when a sudden brake is applied C. A person leaning sideways when a car makes a sharp turn. D. A body resisting a change in its direction of motion.

Question 6

What is the difference between sound waves and light waves?

A. Sound waves are transverse while light waves are longitudinal. B. Sound waves can travel through a vacuum while light waves require a medium. C. Sound waves have a lower velocity than light waves. D. Sound waves have a higher frequency than light waves.

Question 7

What is the definition of inertia?

A. A body's tendency to resist changes in its state of motion B. A body's tendency to change its state of motion C. A body's tendency to move in a straight line D. A body's tendency to move with uniform velocity

Question 8

What is the relationship between wavelength and frequency of light?

A. They are inversely proportional B. They are directly proportional C. They are unrelated D. It depends on the medium the light is traveling through

Question 9

The weight of a body is more at:

A. The equator B. The North Pole C. The South Pole D. It remains the same at all places on Earth

Question 10

What is the amount of force required to produce an acceleration of 5 m/s^2 in a body of mass 2 kg?

A. 2.5 N B. 5 N C. 10 N D. 20 N

Tamil Nadu State board (Class 10)