The correct answer is D
Small bubbles are perfectly spherical because of –
An image formed by a plane mirror is ______.
The amount of light entering in eye is controlled by:
Why does a fountain pen leak on an airplane flying at high altitude?
An example of longitudinal waves (in a gas medium) is:
Which of the following is not a recognized type of inertia?
What is myopia?
Newton's rings can be obtained in:
The refractive index of glass is 1.5. What is the speed of light in glass?
(Speed of light in vacuum is 3.0 ×108 m s-1)
When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is clue to the phenomenon of –
