A travelling microscope is focused on a mark on a table. If a glass block of thickness 18.0cm is placed on the mark, by how many centimeters will the microscope be moved upwards so as to focus the mark once again? [refractive index of glass = 1.5]

Similar Questions

The inside of a vacuum flask is usually coated with silver to reduce heat loss by ...

The type of mirror used by dentists to inspect the teeth of patients is a ...

If the force of a charge of 0.2 coulomb in an electric field is 4N, then the electric field intensit...

Two radioactive elements A and B have half-lives of 100 and 50 years respectively. Samples of A and ...

A trolley of mass 4kg moving on a smooth horizontal platform with a speed of 1.0ms-1 collides perfec...

The graph above illustrates the variation of temperature $\theta$ with time (t) for a solid that i...

A man walks 8km north and then 5km in a direction 60o east of north. Find the distance from his star...

If the refractive index of crown glass is 1.51, its critical angle is?...

A piece of iron weights 250 N in air and 200 N in a liquid of density 1000 kgm-3. the volume of the ...

The pressure on the gas of constant gas thermometer at the ice point is 325mm of mercury and at the ...