Physics If ice floating on water in a vessel melts, the water level in the vessel ________ . First increases before decreasing Does not change Increases Decreases First increases before decreasing Does not change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which results in an increase in power? Doing less work in less time. Doing less work in more time. Doing more work in more time. Doing more work in less time. Doing less work in less time. Doing less work in more time. Doing more work in more time. Doing more work in less time. 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 frequency of X-ray photon is higher than the frequency of visible radiation photon. The speeds of both the photons in vacuum are different The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The frequency of X-ray photon is higher than the frequency of visible radiation photon. The speeds of both the photons in vacuum are different The wavelength of X-ray photon is less than the wavelength of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: 6 7 5 3 6 7 5 3 ANSWER DOWNLOAD EXAMIANS APP
Physics Kirchhoff's laws are applicable to C. and A.C. circuits both C. circuits only C. circuits only None of these C. and A.C. circuits both C. circuits only C. circuits only None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Red light has a wavelength of 70 A°. In "nm" it is 700 nm 0.07 nm 70 nm 7 nm 700 nm 0.07 nm 70 nm 7 nm ANSWER DOWNLOAD EXAMIANS APP
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