Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 0.3 m 3 m 300 m 30 m 0.3 m 3 m 300 m 30 m ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1pa = C2pg C2>C1 C1>C2 C1 = C2 C1pa = C2pg C2>C1 C1>C2 C1 = C2 ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo electric emission is not possible Photo current decreases with voltage Photo current is constant Photo current increases with voltage Photo electric emission is not possible Photo current decreases with voltage Photo current is constant Photo current increases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics It is easy to burst a gas-filled balloon with a needle than with a nail. It is because Needle exerts more pressure than nail on the balloon. Nail is more longer than needle. Gas is reactive with the needle. Nail exerts more pressure than needle on the balloon. Needle exerts more pressure than nail on the balloon. Nail is more longer than needle. Gas is reactive with the needle. Nail exerts more pressure than needle on the balloon. ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of any wave is proportional to which of the following? Amplitude Square of amplitude Square root of amplitude Cube of amplitude Amplitude Square of amplitude Square root of amplitude Cube of amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Transverse waves on a string Longitudinal waves on a string Light waves Sound waves in air Transverse waves on a string Longitudinal waves on a string Light waves Sound waves in air ANSWER DOWNLOAD EXAMIANS APP
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