Physics Which of the following parts of the sunlight makes the solar cooker hot ? Ultra violet Red light Infra red Cosmic rays Ultra violet Red light Infra red Cosmic rays ANSWER DOWNLOAD EXAMIANS APP
Physics Burns caused by steam are much severe than those caused by boiling water because Steam is gas and engulfs the body quickly Steam pierces through the pores of body quickly Steam has latent heat Temperature of steam is higher Steam is gas and engulfs the body quickly Steam pierces through the pores of body quickly Steam has latent heat Temperature of steam is higher ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The greenhouse effect The good conducting power of the metal body The double layered wind shield The heat emitted by the engine The greenhouse effect The good conducting power of the metal body The double layered wind shield The heat emitted by the engine ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Gives comfort to eye Is least bright Undergoes least deviation Has lowest velocity Gives comfort to eye Is least bright Undergoes least deviation Has lowest velocity ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute zero is a temperature at which ________ All gases become liquid Water freezes Molecular motion in a gas would cease All gases become solid All gases become liquid Water freezes Molecular motion in a gas would cease All gases become solid ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Temperature Frequency Wavelength None of these Temperature Frequency Wavelength None of these ANSWER DOWNLOAD EXAMIANS APP