KVPY Stream SB-SX (Class 12 & 1st Year BSC) Physics: Questions 151 - 155 of 250
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Question number: 151
Question number: 152
Question number: 153
Question number: 154
A cart is moving along x direction with a velocity of 3 ms-1. A person on the cart throws a stone with a velocity of 8 ms-1 relative to himself. In the frame of reference of the cart the stone is thrown in plane making an angle of 600 with vertical y axis. The speed of stone at highest point of the trajectory the stone is –
Question number: 155
Appeared in Year: 2015
A cubical vessel has opaque walls. An observer (dark circle in figure below) is located such that she can see only the all CD but not the bottom. Nearly to what height should water be poured so that she can see an object placed at the bottom at a distance of 10 cm from the corner C? Refractive index of water is 1.33.