- APermittivity.
- BDielectric constant.
- CElectric susceptibility.
- DDielectric strength.
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CO2 gas is found in which of the following pairs of the planet
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(a) Earth and Mercury |
(b) Mercury and Saturn |
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(c) Venus and Saturn |
(d) Venus and Mars |
A stream of electrons is projected horizontally to the right. A straight conductor carrying a current is supported parallel to electron stream and above it. If the current in the conductor is from left to right then what will be the effect on electron stream
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(a) The electron stream will be pulled upward |
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(b) The electron stream will be pulled downward |
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(c) The electron stream will be retarted |
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(d) The electron beam will be speeded up towards the right |
Huygen's conception of secondary waves
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(a) Allow us to find the focal length of a thick lens |
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(b) Is a geometrical method to find a wavefront |
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(c) Is used to determine the velocity of light |
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(d) Is used to explain polarisation |

A condenser having a capacity of 6mF is charged to 100 V and is then joined to an uncharged condenser of 14 μF and then removed. The ratio of the charges on 6mF and 14mF and the potential of 6mF will be
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(a) |
(b) |
(c) |
(d) |