Physics When a light wave is reflected from a mirror, there is a change in its Velocity Wavelength Amplitude Frequency Velocity Wavelength Amplitude Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Scattering of the sunlight by water molecules Refraction of the sun light Reflection of the sun light from water surface Interference of the sun light from water surface Scattering of the sunlight by water molecules Refraction of the sun light Reflection of the sun light from water surface Interference of the sun light from water surface ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The collector has the least concentration of impurity The base has the least concentration of impurity The emitter has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The collector has the least concentration of impurity The base has the least concentration of impurity The emitter has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics The safest hammers are those with heads that are Chiseled and drop forged Cast steel and chiseled Alloy and drop-forged steel Welded and alloyed Chiseled and drop forged Cast steel and chiseled Alloy and drop-forged steel Welded and alloyed ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which conduct electricity at low temperature offer no resistance to the flow of electricity conduct electricity at high temperatures offer high resistance to the flow of current conduct electricity at low temperature offer no resistance to the flow of electricity conduct electricity at high temperatures offer high resistance to the flow of current ANSWER DOWNLOAD EXAMIANS APP
Physics A good conductor while carrying current is Electrically neutral Negatively charged Alternately charged positive and negative Positively charged Electrically neutral Negatively charged Alternately charged positive and negative Positively charged ANSWER DOWNLOAD EXAMIANS APP