Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Green Yellow Orange Blue Green Yellow Orange Blue ANSWER DOWNLOAD EXAMIANS APP
Physics Mirage is due to: Equal heating of different parts of the atmosphere Unequal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Depletion of ozone layer in the atmosphere Equal heating of different parts of the atmosphere Unequal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Depletion of ozone layer in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because There is a decrease in air pressure on the hills It is cold on the hills There is less oxygen There is less carbon dioxide on the hills There is a decrease in air pressure on the hills It is cold on the hills There is less oxygen There is less carbon dioxide on the hills ANSWER DOWNLOAD EXAMIANS APP
Physics Which metal is the best conductor of heat? Copper All of these Silver Gold Copper All of these Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1 = C2 C1>C2 C2>C1 C1pa = C2pg C1 = C2 C1>C2 C2>C1 C1pa = C2pg 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 Decreasing the radius of the capillary tube Increasing the radius of the capillary tube Increasing the height of water in the vessel None of these Decreasing the radius of the capillary tube Increasing the radius of the capillary tube Increasing the height of water in the vessel None of these ANSWER DOWNLOAD EXAMIANS APP
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