Section 14. Annual report.
In which of the following processes is energy released?
The splitting up of white light into seven colours on passing through a glass prism is called as
The apparatus used in the refrigeration is
What is the device used to amplify and modulate microwave frequency signals called?
Why does water boil at lower temperatures on hills?
Which of the following is the time taken for one complete oscillation of a sound wave in the density of the medium?
For which type of motion, the distance time graph is not a straight line and can be any kind of curve?
UNO was established on?
This relationship between the angles of incidence and refraction and the indices of refraction of the two media is known as ________.
Which lens is used in sodium reflector lamp ?
