Physics What is unit of Astronomical distance ? Angstrom Light year Weber Lux Angstrom Light year Weber Lux ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 2268 J 4.2 J 336 J 80 J 2268 J 4.2 J 336 J 80 J ANSWER DOWNLOAD EXAMIANS APP
Physics A storm is predicted if atmospheric pressure Rises suddenly Falls gradually Rises gradually Falls suddenly Rises suddenly Falls gradually Rises gradually Falls suddenly ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 2R 5R/4 3R/4 R/2 2R 5R/4 3R/4 R/2 ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Absorb neutron Slow down neutron Increase speed of neutron Increase temperature Absorb neutron Slow down neutron Increase speed of neutron Increase temperature ANSWER DOWNLOAD EXAMIANS APP