Physics Which phenomena shows the particle nature of light? Interference Polarisation Photoelectric effect Diffraction Interference Polarisation Photoelectric effect Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Formation of pure spectra Principle of complementary colour Persistence of vision Formation of impure spectra Formation of pure spectra Principle of complementary colour Persistence of vision Formation of impure spectra ANSWER DOWNLOAD EXAMIANS APP
Physics The safest hammers are those with heads that are Cast steel and chiseled Welded and alloyed Chiseled and drop forged Alloy and drop-forged steel Cast steel and chiseled Welded and alloyed Chiseled and drop forged Alloy and drop-forged steel ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on None of these Wavelength Temperature Frequency None of these Wavelength Temperature Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Increases Decreases and then remains constant Decreases Remains constant Increases Decreases and then remains constant Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Have low penetrating power Can affect photographic plates Travel with the speed of light Can be reflected or refracted Have low penetrating power Can affect photographic plates Travel with the speed of light Can be reflected or refracted ANSWER DOWNLOAD EXAMIANS APP
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