The (๐ – ๐) graph for a coil is
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(a)
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(b)
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(c)
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(d)
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The (๐ – ๐) graph for a coil is
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(a)
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(b)
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(c)
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(d)
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(a)

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In Young’s double slit experiment, the wavelength of the light used is doubled and distance between two slits is half of initial distance, the resultant fringe width becomes
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(a) 2 times |
(b) 3 times |
(c) 4 times |
(d) 1/2 times |
An electron and a proton are in a uniform electric field, the ratio of their accelerations will be
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(a) Zero |
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(b) Unity |
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(c) The ratio of the masses of proton and electron |
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(d) The ratio of the masses of electron and proton |
Two charges each of 1 coulomb are at a distance 1 km apart, the force between them is
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(a) |
(b) 9 |
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(c) |
(d) |
If an observer is walking away from the plane mirror with 6m/sec. Then the velocity of the image with respect to observer will be
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(a) 6 m/sec |
(b) -6 m/sec |
(c) 12 m/sec |
(d) 3 m/sec |
A capacitor is used to store 24 watt hour of energy at 1200 volt. What should be the capacitance of the capacitor
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(a) 120 mF |
(b) 120 μF |
(c) 24 μF |
(d) 24 mF |