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Which law states that "the rate of heat loss of a body is directly proportional to the temperature difference between the body and its surroundings"?
Which law states that energy can neither be created nor destroyed?
Which of the following statement is correct?
I. The incident ray, the normal at the point of incidence and the reflected ray all lie in the sa...
A tuning fork of frequency 440 Hz resonates with a pipe closed at one end, vibrating in its second overtone . If the speed of sound in air is 330 m/s, ...
Which of the following quantities is a scalar?
The unit 'Weber' is associated with which of the following?
What is the minimum escape velocity of rocket to be launched into space?
Two equal charges are placed at a distance d. At what point along the line joining them is the electric field zero?
Which gate gives a high output only when both inputs are low?