Physics Red is used as an emergency or danger signal as It has very high energy It is scattered It is a striking colour Its wavelength is the longest It has very high energy It is scattered It is a striking colour Its wavelength is the longest ANSWER DOWNLOAD EXAMIANS APP
Physics Name the process of production of energy in the Sun Ionization Nuclear fusion Nuclear fission Radioactivity Ionization Nuclear fusion Nuclear fission Radioactivity ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to see the distant objects on the Earth is Astronomical telescope Terrestrial telescope Simple microscope Compound microscope Astronomical telescope Terrestrial telescope Simple microscope Compound microscope 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. Both the photons have different energies. 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. The frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different ANSWER DOWNLOAD EXAMIANS APP
Physics A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. Total internal reflection Reflection Diffraction Refraction Total internal reflection Reflection Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Concave lens Prism Convex lens Glass slab Concave lens Prism Convex lens Glass slab ANSWER DOWNLOAD EXAMIANS APP
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