Physics Which of the following is not caused by atmospheric refraction of light ? Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1.5 1.2 1 2 1.5 1.2 1 2 ANSWER DOWNLOAD EXAMIANS APP
Physics If a barometric reading is falling, this usually indicates what None Decreasing pressure Increasing pressure No pressure None Decreasing pressure Increasing pressure No pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is the balance between incoming and outgoing radiation It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. It is a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. It is a mode of transfer of heat through matter by molecular activity. ANSWER DOWNLOAD EXAMIANS APP
Physics The force exerted by a magnet is an example of ________ Contact force Muscular force Electrostatic force Non-contact force Contact force Muscular force Electrostatic force Non-contact force ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Heat energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy Chemical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy Chemical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
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