Physics Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2 0.14 m/s 140 m/s 1.4 km/s 14 m/s 0.14 m/s 140 m/s 1.4 km/s 14 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of sky appears blue due to Refraction Dispersion Scattering of shorter wave lengths Reflection Refraction Dispersion Scattering of shorter wave lengths Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night ANSWER DOWNLOAD EXAMIANS APP
Physics A device used for converting a.c. into d.c. is called Induction coil Rectifier Transformer Dynamo Induction coil Rectifier Transformer Dynamo ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following causes adiabatic temperature changes in atmosphere? Deflection and advection Partial absorption of solar radiation by the atmosphere Latent heat of condensation Expansion and compression of the air Deflection and advection Partial absorption of solar radiation by the atmosphere Latent heat of condensation Expansion and compression of the air ANSWER DOWNLOAD EXAMIANS APP
Physics The best conductor of electricity among the following is : Copper Aluminium Iron Silver Copper Aluminium Iron Silver ANSWER DOWNLOAD EXAMIANS APP
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