Physics The cover of a solar cooker is made of glass because It retains the heat inside by the green house effect It reflects sun's rays It absorbs sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It reflects sun's rays It absorbs sun's rays It rediates heat better than metals ANSWER DOWNLOAD EXAMIANS APP
Physics The word ''insolation' means Matters which insulate Insoluble matters None of these Incoming solar radiation Matters which insulate Insoluble matters None of these Incoming solar radiation ANSWER DOWNLOAD EXAMIANS APP
Physics When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is The violet ray The red ray The blue ray The green ray The violet ray The red ray The blue ray The green ray ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in None of these Oscillators Amplifiers Rectifiers None of these Oscillators Amplifiers Rectifiers ANSWER DOWNLOAD EXAMIANS APP
Physics Pressure Cooker cooks faster because Boiling point decreases with rise of pressure The material of the cooker is a good conductor It cooks the food at low pressure Higher temperature is attained for cooking Boiling point decreases with rise of pressure The material of the cooker is a good conductor It cooks the food at low pressure Higher temperature is attained for cooking ANSWER DOWNLOAD EXAMIANS APP
Physics Brightness of bulb depends on voltage or current? None Current Both A & B Voltage None Current Both A & B Voltage ANSWER DOWNLOAD EXAMIANS APP