Physics Which of these waves can be polarized ? Longitudinal waves on a string Sound waves in air Light waves Transverse waves on a string Longitudinal waves on a string Sound waves in air Light waves Transverse waves on a string ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Depends on the thickness of the wall Increases with depth of the wall Depends on the area of the wall Increases with height of the wall Depends on the thickness of the wall Increases with depth of the wall Depends on the area of the wall Increases with height of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics When a bar magnet is cut into two equal halves, the pole strength of each piece – Becomes double Becomes half Becomes zero Remains the same Becomes double Becomes half Becomes zero Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics Which combination of colour is the most convenient during day and night time ? Red and green Yellow and blue Organe and blue White and black Red and green Yellow and blue Organe and blue White and black ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Ultrasonics Megasonics Infrasonics Audible sounds Ultrasonics Megasonics Infrasonics Audible sounds ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : It uses more powerful lenses The velocity of electron is smaller than that of visible light The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles It uses more powerful lenses The velocity of electron is smaller than that of visible light The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles ANSWER DOWNLOAD EXAMIANS APP
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