Physics The cover of a solar cooker is made of glass because It rediates heat better than metals It retains the heat inside by the green house effect It absorbs sun's rays It reflects sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It absorbs sun's rays It reflects sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics Two vectors are said to be equal if Only their magnitudes are same Magnitudes are same but directions are opposite Only their directions are same Both magnitude and direction are same Only their magnitudes are same Magnitudes are same but directions are opposite Only their directions are same Both magnitude and direction are same ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension of which of the following is the same as that of impulse ? Torque Change in the rate of momentum Volume Momentum Torque Change in the rate of momentum Volume Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics As we go from Equator to North pole the value of ''g', the acceleration due to gravity Remains the same None of these Increases Decreases Remains the same None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, normal humidity and partial vacuum are maintained. the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. ANSWER DOWNLOAD EXAMIANS APP
Physics Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct? 1 only 2 and 3 only 1, 2 and 3 1 and 2 only 1 only 2 and 3 only 1, 2 and 3 1 and 2 only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS