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Physics

Physics
1 Micron is equal to

10–9 m
10–12 m
10–15 m
10–6 m

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Physics
Refractive Index of glass with respect to water is

44052
43864
44082
43924

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Physics
In a photocell light energy is converted into

Chemical energy
Potential energy
Heat energy
Electrical energy

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Physics
Which of the following is not reversible?

Peltier effect
Joule effect
Thomson effect
Seebeck effect

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Physics
Radio telescopes are better than optical telescopes because

they can work even in cloudy conditions
they can detect faint galaxies which no optical telescope can
they can work during the day and night
All of these

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Physics
An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct?

Cannot be determined
Ve > Vp
Ve = Vp
Ve < Vp

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