Physics An electron microscope gives higher magnification than an optical microscope, because : The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Travel with the speed of light Have low penetrating power Can be reflected or refracted Can affect photographic plates Travel with the speed of light Have low penetrating power Can be reflected or refracted Can affect photographic plates ANSWER DOWNLOAD EXAMIANS APP
Physics If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of the mirror is: Concave mirror Plane mirror Plano-concave mirror Convex mirror Concave mirror Plane mirror Plano-concave mirror Convex mirror ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts AC to DC is None of these Oscillator Rectifier Amplifier None of these Oscillator Rectifier Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Diffraction Refraction Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The sparkling of a diamond is due to Refraction of light Interference of light Total internal reflection of light Polarisation of light Refraction of light Interference of light Total internal reflection of light Polarisation of light ANSWER DOWNLOAD EXAMIANS APP
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