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Physics

Physics
Solar energy is converted into chemical energy during

Diffusion
Photosynthesis
Osmosis
Transpiration

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Physics
When a vehicle passes, TV reception gets distorted. This is because

Spark plug creates electromagnetic disturbances
Metal reflects radiowaves
Modern vehicles use electroignition system
Vehicle pollution affects the performance of the TV components

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Physics
Which of the following is not reversible?

Seebeck effect
Joule effect
Peltier effect
Thomson effect

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Physics
A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of

36 m/s
18 m/s
25 m/s
30 m/s

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Physics
Which one of the following is the value of one nanometer?

10-3 cm
10-7 cm
10-6 cm
10-4 cm

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Physics
The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be:

1 T
8 T
4 T
2 T

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