Physics Permissible noise level at Residential area during night time is : 45 dB (A) 80 dB (A) 75 dB (A) 55 dB (A) 45 dB (A) 80 dB (A) 75 dB (A) 55 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Refraction Reflection Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because The atmosphere scatters blue colour more than the others All colours interfere to produce blue It is actually blue In white light, the blue component dominates The atmosphere scatters blue colour more than the others All colours interfere to produce blue It is actually blue In white light, the blue component dominates ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because There is less oxygen There is less carbon dioxide on the hills It is cold on the hills There is a decrease in air pressure on the hills There is less oxygen There is less carbon dioxide on the hills It is cold on the hills There is a decrease in air pressure on the hills ANSWER DOWNLOAD EXAMIANS APP
Physics The hydraulic brakes used in automobiles is a direct application of : Archimedes' principle Toricellian law Bernoulli's theorem Pascal's law Archimedes' principle Toricellian law Bernoulli's theorem Pascal's law ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the metals has the maximum thermal conductivity? Silver Aluminium Iron Copper Silver Aluminium Iron Copper ANSWER DOWNLOAD EXAMIANS APP