Physics What is a compound microscope? A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope whose lenses are concave. A microscope that has one lens. A microscope whose lenses are convex. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope whose lenses are concave. A microscope that has one lens. A microscope whose lenses are convex. ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Cool air is replaced by warm air Warm air falls down Air always falls down Cool air falls down Cool air is replaced by warm air Warm air falls down Air always falls down Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Is infinity Depends on the total mass of all the fragments Is zero Depends on the speeds of various fragments Is infinity Depends on the total mass of all the fragments Is zero Depends on the speeds of various fragments ANSWER DOWNLOAD EXAMIANS APP
Physics Gas thermometers are more sensitive than the liquid thermometers because the gases Have large coefficient of expansion Have low specific heat Are lighter Have high,specific heat Have large coefficient of expansion Have low specific heat Are lighter Have high,specific heat ANSWER DOWNLOAD EXAMIANS APP
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 1.4 km/s 14 m/s 0.14 m/s 140 m/s 1.4 km/s 14 m/s 0.14 m/s 140 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics The force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object. 2 s 2 m/sq.s 2 m/s 2 m 2 s 2 m/sq.s 2 m/s 2 m ANSWER DOWNLOAD EXAMIANS APP
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