Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 20 cm 10 cm 15 cm 5 cm 20 cm 10 cm 15 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Who enunciated the laws of planetary motion? Johannes Kepler Nicolaus Copernicus Galileo Isaac Newton Johannes Kepler Nicolaus Copernicus Galileo Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper can take higher power than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper can take higher power than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper is lighter than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic packing factor of body centred cubic structure (bcc) is 0.69 0.73 0.68 0.63 0.69 0.73 0.68 0.63 ANSWER DOWNLOAD EXAMIANS APP
Physics Sound of frequency below 20 Hz is called infrasonic audio sounds ultrasonic supersonics infrasonic audio sounds ultrasonic supersonics ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following phenomenon helps to conclude that light is a transverse wave? Diffraction Interference Polarisation Refraction Diffraction Interference Polarisation Refraction ANSWER DOWNLOAD EXAMIANS APP
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