Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 1010 0.001 1 × 10–10 0.01 1 × 1010 0.001 1 × 10–10 0.01 ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1.2 2 1.5 1 1.2 2 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Kinetic energy Rotational energy Potential energy Motional energy Kinetic energy Rotational energy Potential energy Motional energy ANSWER DOWNLOAD EXAMIANS APP
Physics The amount of matter in a ball of steel is its : Density Volume Weight Mass Density Volume Weight Mass ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ Ultraviolet rays Visible light X–rays Infrared rays Ultraviolet rays Visible light X–rays Infrared rays ANSWER DOWNLOAD EXAMIANS APP
Physics If an object moves with constant velocity, 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 It must have constant speed ANSWER DOWNLOAD EXAMIANS APP
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