Physics One light year is equal to 8 trillion miles 6 trillion miles 9 trillion miles 2 trillion miles 8 trillion miles 6 trillion miles 9 trillion miles 2 trillion miles ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Decreases and then remains constant Decreases Remains constant Increases Decreases and then remains constant Decreases Remains constant Increases 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? The wavelength of X-ray photon is less than the wavelength of visible radiation photon. 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 Both the photons have different energies. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. 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 Both the photons have different energies. ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R/4 5 R R/5 4 R/5 5 R/4 5 R R/5 4 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics The increasing order of the refractive index of certain materials is (left to right) ________ Rock Salt, Ice, Benzene, Kerosene Ice, Kerosene, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice Kerosene, Ice, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Ice, Kerosene, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice Kerosene, Ice, Benzene, Rock Salt ANSWER DOWNLOAD EXAMIANS APP
Physics The energy that generates wind comes from what source? Ocean currents Anemometers None of these Solar radiation Ocean currents Anemometers None of these Solar radiation ANSWER DOWNLOAD EXAMIANS APP
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