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When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance?
What is the maximum value of deforming force up to which a material shows elastic property and above which the material loses it?
The method of protecting iron from rusting, by coating a thin layer of Zinc is called -
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by –
The hydraulic brakes used in automobiles is a direct application of :
Which of the following is used to split white light into different colours?
Which among the following is not a characteristic of transition metals?
A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be -
389 videos|546 docs|149 tests
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389 videos|546 docs|149 tests
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