Physics Light travels at the fastest speed in: water glass hydrogen vacuum water glass hydrogen vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is Changing continuously 30 days 24 hours 365 days Changing continuously 30 days 24 hours 365 days 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? 2k1k2/k1+k2 K1+k2/k1k2 K1k2/k1+k2 None 2k1k2/k1+k2 K1+k2/k1k2 K1k2/k1+k2 None ANSWER DOWNLOAD EXAMIANS APP
Physics Burns caused by steam are much severe than those caused by boiling water because Steam is gas and engulfs the body quickly Steam pierces through the pores of body quickly Steam has latent heat Temperature of steam is higher Steam is gas and engulfs the body quickly Steam pierces through the pores of body quickly Steam has latent heat Temperature of steam is higher ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Reflection Refraction Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the interference scattering principle of refraction total internal reflection interference scattering principle of refraction total internal reflection ANSWER DOWNLOAD EXAMIANS APP
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