Physics Which among the following is false about displacement? It is always positive Its SI unit is meter It can be positive, negative or zero Displacement is never greater than Distance It is always positive Its SI unit is meter It can be positive, negative or zero Displacement is never greater than Distance ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the longest wavelength? Infrared radiation X-ray radiation Ultraviolet radiation Visible radiation Infrared radiation X-ray radiation Ultraviolet radiation Visible radiation ANSWER DOWNLOAD EXAMIANS APP
Physics A gap is left between two rails of a railway track to accommodate...... of the metal. Linear expansion Areal expansion Volume expansion Apparent expansion Linear expansion Areal expansion Volume expansion Apparent expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is not a part of Kepler's Law? Law of orbits Law of speed Law of periods Law of areas Law of orbits Law of speed Law of periods Law of areas 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 C1pa = C2pg C1 = C2 C2>C1 C1>C2 C1pa = C2pg C1 = C2 C2>C1 ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Oil has a higher viscosity Oil has a higher surface tension Water has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Oil has a higher surface tension Water has a higher surface tension Water has a higher viscosity ANSWER DOWNLOAD EXAMIANS APP
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