Physics A single fixed pulley is used to draw water from a well because Mechanical advantage is high Efficiency is 100% Force is applied in a convenient direction Velocity ratio is low Mechanical advantage is high Efficiency is 100% Force is applied in a convenient direction Velocity ratio is low ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: The atoms are lightly packed. They contain free electrons. All of these They have high melting point. The atoms are lightly packed. They contain free electrons. All of these They have high melting point. ANSWER DOWNLOAD EXAMIANS APP
Physics Thermocouple consists of Two dissimilar metals Two similar metals Metal and a semiconductor Metal and an insulator Two dissimilar metals Two similar metals Metal and a semiconductor Metal and an insulator ANSWER DOWNLOAD EXAMIANS APP
Physics Temperature of distant luminous bodies can be determined by Gas thermometers Pyrometers Colour thermometers Mercury thermometers Gas thermometers Pyrometers Colour thermometers Mercury thermometers ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Dispense light into component colours Refract light of different colours Reflect lights of different colours Transmit or absorb light of different colours Dispense light into component colours Refract light of different colours Reflect lights of different colours Transmit or absorb light of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Gaps Irregularities Densities Smoothness Gaps Irregularities Densities Smoothness ANSWER DOWNLOAD EXAMIANS APP
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