Physics Heavy water is used in nuclear reactor to Slow down neutron Absorb neutron Increase speed of neutron Increase temperature Slow down neutron Absorb neutron Increase speed of neutron Increase temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Sound waves in air Transverse waves on a string Light waves Longitudinal waves on a string Sound waves in air Transverse waves on a string Light waves Longitudinal waves on a string ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are convex. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are convex. A microscope whose lenses are concave. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Microwave Optical fiber Radio wave All are operating at nearly the same propagation speed Microwave Optical fiber Radio wave All are operating at nearly the same propagation speed ANSWER DOWNLOAD EXAMIANS APP
Physics When a body is immersed in a liquid, the force acting on it is Both (A) and (B) Upthrust Weight Mass Both (A) and (B) Upthrust Weight Mass ANSWER DOWNLOAD EXAMIANS APP
Physics A wire carrying current is Neutral Charged with a type depending upon current strength Negatively charged Positively charged Neutral Charged with a type depending upon current strength Negatively charged Positively charged ANSWER DOWNLOAD EXAMIANS APP