Which of the following statements is correct about light ...
Which of the following statements is correct about light and sound waves? Both
are longitudinal waves
are transverse waves
have the same velocity in air
need a medium for propagation
transmit energy
Correct answer is E
No explanation has been provided for this answer.
Which of the following will reduce the frequency of oscillation of a simple pendulum?...
The charge of an alpha particle can be neutralized by ...
Two bodies have masses in the ratio3:1. They experience forces which impart to them, accel...
Which of the following statements about sound is NOT true? ...
A lamp is rated 240 V, 60 W. Determine the resistance of the lamp when lit? ...
An electric bell operated within an evacuated bell jar enables us to infer correctly that ...