Physics The sparkling of a diamond is due to Polarisation of light Total internal reflection of light Refraction of light Interference of light Polarisation of light Total internal reflection of light Refraction of light Interference of light ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. ANSWER DOWNLOAD EXAMIANS APP
Physics A micron is equal to 0.0001 mm 0.001 mm 0.1 mm 0.01 mm 0.0001 mm 0.001 mm 0.1 mm 0.01 mm 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 C/7 C 7C 14C C/7 C 7C ANSWER DOWNLOAD EXAMIANS APP
Physics Alternating current is converted into direct current by a Oscillator Dynamo Rectifier Transformer Oscillator Dynamo Rectifier Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light ANSWER DOWNLOAD EXAMIANS APP