Physics-
General
Easy
Question
Assertion : Two similar trains are moving along the equatorial line with the same speed but in opposite direction. They will exert equal pressure on the rails.
Reason : In uniform circular motion of magnitude of acceleration remains constant but the direction continuously changed.
- If both assertion and reason are true and the reason is the correct explanation of the assertion.
- If both assertion and reason are true but reason is not the correct explanation of the assertion.
- If assertion is true but reason is false.
- If assertion is false but reason is true.
The correct answer is: If assertion is false but reason is true.
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Assertion : As the frictional force increases, the safe velocity limit for taking a turn on an unbanked road also increases.
Reason : Banking of roads will increase the value of limiting velocity.
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Reason : Banking of roads will increase the value of limiting velocity.
Physics-General
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physics-General
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physics-General
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physics-General
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Physics-General
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A ball is projected with kinetic energy E at an angle of 45
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A fair die is tossed three times. Given that the sum of the first two tosses equals the third. The probability that at least one ‘2’ has turned up, is equal to
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maths-General
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An integer from the set of first 100 natural numbers is selected at random .The probability that the number satisfying the inequality 
is
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then
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Maths-General
