Physics Which determines the frequency of a sound wave? Medium Speed Amplitude Source Medium Speed Amplitude Source ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following supports particle nature of photons ? Diffraction Interference Photoelectric effect Polarization Diffraction Interference Photoelectric effect Polarization ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the waves have the longest wavelength Red Green Blue Violet Red Green Blue Violet ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : 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 The electrons have more energy than the light particles ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Covalent attraction Vander waals forces Dipole interaction Hydrogen bond formation Covalent attraction Vander waals forces Dipole interaction Hydrogen bond formation ANSWER DOWNLOAD EXAMIANS APP
Physics Who was the first scientist to discover Electrons? Albert Einstein Isaac Newton J.C. Bose J.J Thompson Albert Einstein Isaac Newton J.C. Bose J.J Thompson ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS