Physics Planets do not twinkle because Their distance from the earth does not change with time They emit light of a constant intensity They are very far away from the earth resulting in decrease in intensity of light They are nearer to earth and hence we receive a greater amount of light. Their distance from the earth does not change with time They emit light of a constant intensity They are very far away from the earth resulting in decrease in intensity of light They are nearer to earth and hence we receive a greater amount of light. ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Iron, water and air Air, water and iron Water, iron and air Iron, air and water Iron, water and air Air, water and iron Water, iron and air Iron, air and water ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is seen after rain because of hanging molecules of water which act as Mirrors Slabs Lenses Prisms Mirrors Slabs Lenses Prisms ANSWER DOWNLOAD EXAMIANS APP
Physics 'Mirage' is an example of Dispersion of light only Refraction of light only Refraction and total internal reflection of light Total internal reflection of light only Dispersion of light only Refraction of light only Refraction and total internal reflection of light Total internal reflection of light only ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? X-ray tube Roentgen None of these Coolidge tube X-ray tube Roentgen None of these Coolidge tube ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are Earth's heat Water None of these Both A & B Earth's heat Water None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS