Which one of the following fuels causes minimum environmental pollution ?
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The difference between a nuclear reactor and an atomic bomb is that
The difference between a nuclear reactor and an atomic bomb is that
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An air bubble in water will act like a
An air bubble in water will act like a
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The variations in temperatures from 0°C to 100°C with respect to time of two liquids P, Q are shown in the graph given below. Which one of the following statements is correct
The variations in temperatures from 0°C to 100°C with respect to time of two liquids P, Q are shown in the graph given below. Which one of the following statements is correct ?
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Cryogenic engines find applications in
Cryogenic engines find applications in
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Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torchlights, electric shavers, etc
Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torchlights, electric shavers, etc?
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Optical fibre works on the principle of
Optical fibre works on the principle of
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Who among the following anticipated Newton by declaring that all things gravitate to the earth
Who among the following anticipated Newton by declaring that all things gravitate to the earth ?
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Suppose a rocketship is receding from the earth at a speed of 2/10th the velocity of light. A light in the rocketship appears blue to the passengers on the ship. What colour would it appear to an observer on the earth
Suppose a rocketship is receding from the earth at a speed of 2/10th the velocity of light. A light in the rocketship appears blue to the passengers on the ship. What colour would it appear to an observer on the earth?
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When the same note is played on a sitar and a flute, the sound produced can be distinguished from each other because of the difference in
When the same note is played on a sitar and a flute, the sound produced can be distinguished from each other because of the difference in