Physics Purpose of an optical filter is to Dispense light into component colours Transmit or absorb light of different colours Refract light of different colours Reflect lights of different colours Dispense light into component colours Transmit or absorb light of different colours Refract light of different colours Reflect lights of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels at the fastest speed in vacuum water steel air vacuum water steel air ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R/4 4 R/5 R/5 5 R 5 R/4 4 R/5 R/5 5 R ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of intensity of electric field is J/c N/m N/c Volt J/c N/m N/c Volt ANSWER DOWNLOAD EXAMIANS APP
Physics What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it? 0.5 1 100 50 0.5 1 100 50 ANSWER DOWNLOAD EXAMIANS APP
Physics Longitudinal waves cannot travel through Liquid Gas Solid Vacuum Liquid Gas Solid Vacuum ANSWER DOWNLOAD EXAMIANS APP
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