Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 120 cm. 90 cm. 30 cm. 60 cm. 120 cm. 90 cm. 30 cm. 60 cm. ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because of Atmospheric water vapour Scattering of light Emision of blue wavelength by the sun Reflection on sea water Atmospheric water vapour Scattering of light Emision of blue wavelength by the sun Reflection on sea water ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 0°F 4°F 0°C 4°C 0°F 4°F 0°C 4°C ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of temperature? Joule Kelvin Fahrenheit Celsius Joule Kelvin Fahrenheit Celsius ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures Whose conductivity is intermediate between metals and insulators ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Regular reflection of light Total internal reflection of light Refraction of light Diffuse reflection of light Regular reflection of light Total internal reflection of light Refraction of light Diffuse reflection of light ANSWER DOWNLOAD EXAMIANS APP