Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 1010 0.01 1 × 10–10 0.001 1 × 1010 0.01 1 × 10–10 0.001 ANSWER DOWNLOAD EXAMIANS APP
Physics The flow of thermal energy is called Voltage Current Heat Potential Voltage Current Heat Potential ANSWER DOWNLOAD EXAMIANS APP
Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 3 and 4 only 1, 2, 3 and 4 4 only 1, 2 and 3 only 3 and 4 only 1, 2, 3 and 4 4 only 1, 2 and 3 only ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Double One–fourth Half Four times Double One–fourth Half Four times ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the waves have the longest wavelength Blue Red Green Violet Blue Red Green Violet ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole Increases First increases and than decreases No change Decreases Increases First increases and than decreases No change Decreases ANSWER DOWNLOAD EXAMIANS APP
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