Question
Which law states that energy can neither be created nor
destroyed?Solution
Total energy in a system remains constant, though it may change form.
Parsec is the unit of
A sound with a single frequency is called a:
How does the angle of minimum deviation of a glass prism of refractive index 1.5 change, if it is immersed in a liquid of refractive index 1.25?
The absolute temperature of a body A is five times that of another body B. For two bodies, the difference in wave lengths at which energy radiated is ma...
When heated from 0° to 10°C volume of a given mass of water will -
Which of the following electromagnetic waves are used for detection like Geiger tubes?
Which of the following waves require a medium to travel? Â
Total mechanical energy =
Which of the following is NOT a vector quantity? Â
Which of the following statement is correct?
I. Magnetite is a natural magnet
II. A freely suspended magnet always aligns in N-S direction
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