Physics Pressure Cooker cooks faster because It cooks the food at low pressure Higher temperature is attained for cooking The material of the cooker is a good conductor Boiling point decreases with rise of pressure It cooks the food at low pressure Higher temperature is attained for cooking The material of the cooker is a good conductor Boiling point decreases with rise of pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The group of solar cells joined together in a definite pattern is called a Solar cell panel Battery Solar cooker Solar heater Solar cell panel Battery Solar cooker Solar heater ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nichrome Chromium Tungsten Nickel Nichrome Chromium Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Physics A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct? Both the photons have different energies. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. 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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Dioptre is the unit of Sound intensity Power of a lens Light intensity Focal length of a lens Sound intensity Power of a lens Light intensity Focal length of a lens ANSWER DOWNLOAD EXAMIANS APP