Question
Sound waves in air
are:Solution
In air, sound waves travel as compressions and rarefactions, i.e., particles move back and forth along the direction of wave travel. Such waves are longitudinal.
A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments –
Motion that repeats itself after some period of time, is called ______ motion.
A magnetic force does no work on a moving charged particle because:
The phenomenon of splitting white light into its component colors is called:
The energy flow in an ecosystem is always:
A liquid rises in a capillary tube due to:
Which of the following glands is both endocrine and exocrine?
The SI unit of force is:
In the given figure, frogs occupy ________.