Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Produce heat and radiate it toward earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Produce heat and radiate it toward earth Reflect back the heat given by earth ANSWER DOWNLOAD EXAMIANS APP
Physics A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ? 3 metres 1 metre 2 metres 4 metres 3 metres 1 metre 2 metres 4 metres ANSWER DOWNLOAD EXAMIANS APP
Physics The best material for the core of a transformer is Stainless steel Hard steel Soft iron Mild steel Stainless steel Hard steel Soft iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel through Solid Vacuum Gas Liquid Solid Vacuum Gas Liquid ANSWER DOWNLOAD EXAMIANS APP
Physics A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to Outward pull on him Change in acceleration Inertia of motion Change in momentum Outward pull on him Change in acceleration Inertia of motion Change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is converted into chemical energy during Osmosis Photosynthesis Diffusion Transpiration Osmosis Photosynthesis Diffusion Transpiration ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS