Physics Positive feedback is used in None of these Oscillators Rectifiers Amplifiers None of these Oscillators Rectifiers Amplifiers ANSWER DOWNLOAD EXAMIANS APP
Physics 0°K is equivalent to – 273°C 0°C 100°C 273°C – 273°C 0°C 100°C 273°C ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? B will reach the ground first. The question is incomplete because the masses of the spheres are not given. A will reach the ground first. Both the spheres will reach the ground simultaneously. B will reach the ground first. The question is incomplete because the masses of the spheres are not given. A will reach the ground first. Both the spheres will reach the ground simultaneously. ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to high humidity Due to low air pressure Due to low temperature Due to ozone Due to high humidity Due to low air pressure Due to low temperature Due to ozone ANSWER DOWNLOAD EXAMIANS APP
Physics The density of the liquid when heated Does not change Increases Decreases May increase of decrease depending on pressure Does not change Increases Decreases May increase of decrease depending on pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The angle between the ________ and the incident ray is called the angle of incidence. Tangent Normal Reflected ray Surface Tangent Normal Reflected ray Surface ANSWER DOWNLOAD EXAMIANS APP
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