Physics Which of the following is not true about X-rays? Can be reflected or refracted Can affect photographic plates Travel with the speed of light Have low penetrating power Can be reflected or refracted Can affect photographic plates Travel with the speed of light Have low penetrating power ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? A will reach the ground first. Both the spheres will reach the ground simultaneously. B will reach the ground first. The question is incomplete because the masses of the spheres are not given. A will reach the ground first. Both the spheres will reach the ground simultaneously. B will reach the ground first. The question is incomplete because the masses of the spheres are not given. ANSWER DOWNLOAD EXAMIANS APP
Physics When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will: Three times Double Remain same Four times Three times Double Remain same Four times ANSWER DOWNLOAD EXAMIANS APP
Physics If an object moves with constant velocity, It must have constant speed It must have constant direction It must have constant speed in constant direction None of these It must have constant speed It must have constant direction It must have constant speed in constant direction None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a number of resistors are connected in series in a circuit, the value of current: Becomes half Increases Decreases Remains the same Becomes half Increases Decreases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics An object that has kinetic energy must be Moving At an elevated position Falling At rest Moving At an elevated position Falling At rest ANSWER DOWNLOAD EXAMIANS APP
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