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A light ray enters a glass slab from air at 60° incidence. If refractive index of glass is √3, what is angle of refraction?
Which of the following particles in motion, having the same kinetic energy, has the shortest wavelength?
The intensity of any wave is proportional to which quantity?
A cube of side a encloses a point charge q at its center. What is the electric flux through one of its faces?
Which of the following gas is used in the manufacture of Vanaspati Ghee?
Which of the following statement is true for a wavelength of 1000 nm. A p-n photodiode is fabricated from a semiconductor with band gap of 1.9 eV.
The resistance of the human body (dry condition) is of the order of –
What is the main effect of increasing the temperature of a gas at constant volume?
