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Physics

Physics
The radiation initially produced in fluorescent tube is

Infrared
Ultraviolet
X-rays
Microwaves

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Physics
Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water

Decreases slightly
Increases to a great extent
Decreases rapidly
Increases slightly

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Physics
Energy stored in the nucleus of an atom is called

Kinetic energy
Atomic energy
Potential energy
Nuclear energy

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Physics
Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?

-11.25 diopters
-3.75 diopters
11.25 diopters
3.75 diopters

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Physics
An image formed by a plane mirror, that cannot be obtained on a screen is called ________

Real image
Erect image
Virtual image
Inverted image

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Physics
Air pressure is usually highest when the air is

Cool and dry
Warm and moist
Cool and moist
Warm and dry

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