Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Resonance Doppler effect Beats Echo Resonance Doppler effect Beats Echo ANSWER DOWNLOAD EXAMIANS APP
Physics If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by 8 times 2 times 16 times 4 times 8 times 2 times 16 times 4 times ANSWER DOWNLOAD EXAMIANS APP
Physics When a bar magnet is cut into two equal halves, the pole strength of each piece – Becomes zero Becomes double Becomes half Remains the same Becomes zero Becomes double Becomes half Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics Purity of a metal can be determined with the help of Boyle's law Conservation of mass principle Pascal's law Archimedes principle Boyle's law Conservation of mass principle Pascal's law Archimedes principle ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to refraction and reflection of sunlight by water droplets absorption of sunlight in minute water droplets ionisation of water deposits diffusion of sunlight through water droplets refraction and reflection of sunlight by water droplets absorption of sunlight in minute water droplets ionisation of water deposits diffusion of sunlight through water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become 14C 7C C C/7 14C 7C C C/7 ANSWER DOWNLOAD EXAMIANS APP
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