Physics It is more difficult to walk on ice than on a concrete road because There is more friction between the ice and feer Ice is soft when compared to concrete There is very little friction between the ice and feet pressing it None of these There is more friction between the ice and feer Ice is soft when compared to concrete There is very little friction between the ice and feet pressing it None of these ANSWER DOWNLOAD EXAMIANS APP
Physics ________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system. The coulomb's law Faraday's Law Hooke's Law First law of thermodynamics The coulomb's law Faraday's Law Hooke's Law First law of thermodynamics 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 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. ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Rectifier Oscillator Conductor Amplifier Rectifier Oscillator Conductor Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics A radioactive substance does not undergo any change (in mass or charge) during Beta-emission Oxidation Alpha-emission Gamma-emission Beta-emission Oxidation Alpha-emission Gamma-emission ANSWER DOWNLOAD EXAMIANS APP
Physics Velocitation is the tendency to None of these Be traveling at a speed that is slower than perceived Be traveling at a speed that is faster than perceived Both A & B None of these Be traveling at a speed that is slower than perceived Be traveling at a speed that is faster than perceived Both A & B ANSWER DOWNLOAD EXAMIANS APP
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