Question 1 Effect of light on photocells produces Energy Current Photosynthesis None of these...
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Transcript of Question 1 Effect of light on photocells produces Energy Current Photosynthesis None of these...
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- Question 1 Effect of light on photocells produces Energy Current Photosynthesis None of these Current
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- Mica Question 2 Which of the following is a good conductor of heat but bad conductor of electricity? Asbestos Celluloid Pertex Mica
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- Storm Question 3 A sudden fall in barometer reading indicates Clear weather Hail storm Storm Heavy rainfall
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- Air, Water & Iron Question 4 Sound travels with a different speed in different media. In what order does the velocity of the sound increases these media? Sater, Iron & Air Iron, Air & Water Air, Water & Iron Iron, Water & Air
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- 4 times Question 5 If the distance between two charges is halved, then the force between them because Half Double 4 times 1/4 th
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- Eye-piece lens should be decreased Question 6 To increase the magnifying power of a telescope, the focal length of Objective lens should be increased Objective lens should be decreased Eye-piece lens should be increased Eye-piece lens should be decreased
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- Variable velocity Question 7 An object moving around a circle is moving with Uniform velocity Uniform speed Variable velocity Variable speed
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- Question 8 When water is heated from 0 degree celcius to 10 degree celcius, the volume of water Increase steadily Decrease steadily First increase then decrease First decrease then increase First decrease then increase
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- Question 9 Which of the following pairs is incorrect? Atom : smallest indivisible part of element Molecule : unit of compound Atom : smallest part of component Atom : indivisible particle Atom : smallest indivisible part of element
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- In case of a short circuit, current passes to the earth Question 10 Electric fittings, the wire are earthed because In case of a short circuit, current passes to the earth To avoid leakage of electricity To completes the electric circuit It reduce fluctuation
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- Question 11 Which of the following metals is used in aircrafts? Chromium Titanium Palladium None of these Palladium
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- Less than on the earth as the moon has a smaller mass Question 12 The force of gravity on the moon is Less than on the earth as the moon has a smaller mass The same as on the earth More than the earth There is no gravitational force at all
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- Clayey Question 13 Which of the following soils is best suited for wheat cultivation? Black Soil Red Soil Clayey Deep Rich
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- Increase or decrease AC voltage Question 14 A transformer is used to Increase DC voltage Increase or decrease AC voltage Decrease DC voltage Convert DC into AC
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- Tungsten Question 15 The element used in an electric filament is Copper Aluminium Iron Tungsten
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