Physics Large astronomical telescopes always use as objective lens mirror combinations of lenses None of these lens mirror combinations of lenses None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning heats the surrounding air to 3000 deg Cent 300000 deg Cent 300 deg Cent 30000 deg Cent 3000 deg Cent 300000 deg Cent 300 deg Cent 30000 deg Cent ANSWER DOWNLOAD EXAMIANS APP
Physics Alcohol is more volatile than water because ________ is lower than water. Its viscosity Its boiling point Its density Its surface tension Its viscosity Its boiling point Its density Its surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Half Two times Four times No change Half Two times Four times No change ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetism in materials is due to Circular motion of electrons All neutrons at rest Electrons at rest Protons at rest Circular motion of electrons All neutrons at rest Electrons at rest Protons at rest ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by Increasing the radius of the capillary tube None of these Increasing the height of water in the vessel Decreasing the radius of the capillary tube Increasing the radius of the capillary tube None of these Increasing the height of water in the vessel Decreasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
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