Physics To resolve an object in an electron microscope, The wavelength of the electrons must be greater than the diameter of the object. None of these The wavelength of the electrons must be close to the diameter of the object Both A & B The wavelength of the electrons must be greater than the diameter of the object. None of these The wavelength of the electrons must be close to the diameter of the object Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Which planet has the lowest density? Jupiter Earth Neptune Saturn Jupiter Earth Neptune Saturn 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 height of water in the vessel None of these Increasing the radius of the capillary tube Decreasing the radius of the capillary tube Increasing the height of water in the vessel None of these Increasing the radius of the capillary tube Decreasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct? Jet streams are typically continuous over long distances. It follows the wave path near the tropopause at elevations of 8 km to 15 km. In summer, the polar front jet achieves its maximum force. It is narrow band of high-velocity wind. Jet streams are typically continuous over long distances. It follows the wave path near the tropopause at elevations of 8 km to 15 km. In summer, the polar front jet achieves its maximum force. It is narrow band of high-velocity wind. ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Becomes half Is also doubled Becomes 1/4 th Become 4 times Becomes half Is also doubled Becomes 1/4 th Become 4 times ANSWER DOWNLOAD EXAMIANS APP
Physics During thunderstorm you are travelling in a car. To protect yourself from the lightning you will have to Abandon the car and take shelter under a nearby tree Touch the nearest electric pole Get out of the car and lie flat in the ground Remain in the car Abandon the car and take shelter under a nearby tree Touch the nearest electric pole Get out of the car and lie flat in the ground Remain in the car ANSWER DOWNLOAD EXAMIANS APP
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