Physics Materials that usually are good conductors of electricity? Nickel Aluminium Lead Wood Nickel Aluminium Lead Wood ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Total internal reflection Diffraction Reflection Refraction Total internal reflection Diffraction Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomena shows the particle nature of light? Interference Polarisation Photoelectric effect Diffraction Interference Polarisation Photoelectric effect Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Alpha particles Electrons Neutrons Electromagnetic radiations Alpha particles Electrons Neutrons Electromagnetic radiations ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in both is same but the rate of doing work is less in rolling. Work done in rolling a stone is less than in lifting it. Work done in lifting the stone is equal to rolling it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in rolling a stone is less than in lifting it. Work done in lifting the stone is equal to rolling it. Work done in rolling is more than in lifting. ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 50 J 100 J 75 J 150 J 50 J 100 J 75 J 150 J ANSWER DOWNLOAD EXAMIANS APP