Physics Bolometer is used to measure Velocity Wavelength Frequency Temperature Velocity Wavelength Frequency Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum distance (in metres) required to hear an echo? 10 17 21 13 10 17 21 13 ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 3900 A° – 7600 A° 1300 A°–3000 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 1300 A°–3000 A° 8500 A° – 9800 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 12 cm 6 cm 1 cm 24 cm 12 cm 6 cm 1 cm 24 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Which one type of radiation has the longest wave length Infrared Radio Wave X-ray Ultraviolet Infrared Radio Wave X-ray Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
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