Physics Optical fibre works on which of the following principle of light? Refraction Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a transverse wave? All listed here Sound waves Radio waves Light waves All listed here Sound waves Radio waves Light waves 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? C1>C2 C1 = C2 C1pa = C2pg C2>C1 C1>C2 C1 = C2 C1pa = C2pg C2>C1 ANSWER DOWNLOAD EXAMIANS APP
Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 8.5 A 24 A 0.41666666666667 8.5 A 24 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Physics Damp clothes are dried in spin dryers by the action of Non central forces Centrifugal forces Central forces Centripetal forces Non central forces Centrifugal forces Central forces Centripetal forces ANSWER DOWNLOAD EXAMIANS APP
Physics A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: 6 7 5 3 6 7 5 3 ANSWER DOWNLOAD EXAMIANS APP
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