Every year from 2nd to 8th October which of the following weeks is being celebrated?
This year the 68th National Wildlife Week is being observed from 2nd to 8th October, 2022. The main goal of this week is to generate awareness among public about the conservation and protection of animal life.
Which of the following electromagnetic waves are used for detection like Geiger tubes?
As we go from Equator to North pole the value of ‘S; the acceleration due to gravity
What is colour of light related to?
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 –
The reason for a swimming pool to appear less deep than the actual depth is –
The potential inside a charged hollow sphere is __________.
An object is placed at a distance of 10 cm in front of a double convex lens made of glass of refractive index 1.5. Both the radii of curvature of the le...
The group velocity of matter waves associated with a moving particle is:
In circular motion the direction of velocity changes at _______ points.
