Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Megasonics Infrasonics Audible sounds Ultrasonics Megasonics Infrasonics Audible sounds Ultrasonics ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Choke' used with a tube light is basically An inductor A resistor A transformer A capacitor An inductor A resistor A transformer A capacitor ANSWER DOWNLOAD EXAMIANS APP
Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV > lVIS > lIR LUV < lVIS < lIR LUV > lIR > lVIS LUV < lIR < lVIS LUV > lVIS > lIR LUV < lVIS < lIR LUV > lIR > lVIS LUV < lIR < lVIS ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1k2/k1+k2 None 2k1k2/k1+k2 K1+k2/k1k2 K1k2/k1+k2 None 2k1k2/k1+k2 K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following is false about displacement? It can be positive, negative or zero Its SI unit is meter It is always positive Displacement is never greater than Distance It can be positive, negative or zero Its SI unit is meter It is always positive Displacement is never greater than Distance ANSWER DOWNLOAD EXAMIANS APP
Physics Full form of CFL used in place of electric bulbs is Closed fluorescent lamp Closed filament lamp Compact fluorescent lamp Constantan filament lamp Closed fluorescent lamp Closed filament lamp Compact fluorescent lamp Constantan filament lamp ANSWER DOWNLOAD EXAMIANS APP
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