Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.8 km, 0.25 km 3.3 km, 0.30 km 2.2 km, 0.20 km 1.8 km, 0.15 km 2.8 km, 0.25 km 3.3 km, 0.30 km 2.2 km, 0.20 km 1.8 km, 0.15 km ANSWER DOWNLOAD EXAMIANS APP
Physics During washing of clothes, we use indigo due to its Better cleaning action Proper pigmental composition High glorious nature Very low cost Better cleaning action Proper pigmental composition High glorious nature Very low cost ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to 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 Dispense light into component colours Transmit or absorb light of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not reversible? Seebeck effect Joule effect Peltier effect Thomson effect Seebeck effect Joule effect Peltier effect Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Physics Full form of CFL used in place of electric bulbs is Constantan filament lamp Compact fluorescent lamp Closed filament lamp Closed fluorescent lamp Constantan filament lamp Compact fluorescent lamp Closed filament lamp Closed fluorescent lamp ANSWER DOWNLOAD EXAMIANS APP
Physics If the earth suddenly stop rotating, the value of "g" will be Same Become Zero Increase Decrease Same Become Zero Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
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