Physics It is dangerous to observe Solar eclipse with naked eyes because Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes ANSWER DOWNLOAD EXAMIANS APP
Physics Sun appears red in colour at sunrise and sunset due to That sun comes out of the mountains That all other colours scatter away except red The fact that sun emits only red colour at that time Red light having longer wave length scatters away That sun comes out of the mountains That all other colours scatter away except red The fact that sun emits only red colour at that time Red light having longer wave length scatters away ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension? Pressure and Young's modules Planck's constant and Angular momentum Force and rate of change of linear momentum Impulse and moment of force Pressure and Young's modules Planck's constant and Angular momentum Force and rate of change of linear momentum Impulse and moment of force ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The good conducting power of the metal body The double layered wind shield The greenhouse effect The heat emitted by the engine The good conducting power of the metal body The double layered wind shield The greenhouse effect The heat emitted by the engine ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? Both will reach the same height Any of them may reach greater height The heavier mass will reach greater height The lighter mass will reach greater height Both will reach the same height Any of them may reach greater height The heavier mass will reach greater height The lighter mass will reach greater height ANSWER DOWNLOAD EXAMIANS APP
Physics Alcohol is more volatile than water because ________ is lower than water. Its boiling point Its surface tension Its viscosity Its density Its boiling point Its surface tension Its viscosity Its density ANSWER DOWNLOAD EXAMIANS APP