If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
I. Removing the ebonite rod
II. Bringing a negatively charged ebonite rod close to the cap
III. Earthing the cap
IV. Disconnecting the earthing
III, II, I and IV
II, I, III and IV
III, IV II and I
II, III, IV and I
III, IV, I and II.
Correct answer is D
No explanation has been provided for this answer.
The quality of a note produced by a vibrating string is determined by the
pitch of the note
tension of the string
material of the string
presence of overtones
thickness of the string
Correct answer is A
No explanation has been provided for this answer.
Which of the following is correct about light and sound waves?
Both of them are associated with energy transfer
Both of them need material media for propagation
they are both longitudinal waves
their velocities in air are equal
Both of them can be polarized
Correct answer is A
No explanation has been provided for this answer.