Physics The number of waves per second in a sound is called ________ of that sound. Displacement Acceleration Frequency Velocity Displacement Acceleration Frequency Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going up with uniform speed The lift is going up with an acceleration The lift is going down with uniform speed The lift is going down with an acceleration The lift is going up with uniform speed The lift is going up with an acceleration The lift is going down with uniform speed The lift is going down with an acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 13.2 km/sec 11.2 km/sec 12.2 km/sec 10.2 km/sec 13.2 km/sec 11.2 km/sec 12.2 km/sec 10.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 8 T 1 T 4 T 2 T 8 T 1 T 4 T 2 T ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves Towards you Both A & B None of these Away from you Towards you Both A & B None of these Away from you ANSWER DOWNLOAD EXAMIANS APP
Physics What is the gravity of moon as compared to the Earth 1/5 th of Earth 1/4 th of Earth 1/8 th of Earth 1/6 th of Earth 1/5 th of Earth 1/4 th of Earth 1/8 th of Earth 1/6 th of Earth ANSWER DOWNLOAD EXAMIANS APP