Physics These waves cannot be transmitted through vacuum. Light Heat Electromagnetic Sound Light Heat Electromagnetic Sound ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Sonometer P – n junction diode Spectrometer Cathode ray oscilloscope Sonometer P – n junction diode Spectrometer Cathode ray oscilloscope ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Becomes infinite Decreases Increases Does not change Becomes infinite Decreases Increases Does not change 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 7C C C/7 14C 7C C C/7 14C ANSWER DOWNLOAD EXAMIANS APP
Physics An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's Fourth law Second law First law Third law Fourth law Second law First law Third law ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities ANSWER DOWNLOAD EXAMIANS APP
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