A dentist obtains a linear magnification of 4 of a hole in a tooth by placing a concave mirror at a distance, of 2.0cm from the tooth. The radius of Curvature of the mirror is

Similar Questions

If current flows in the direction of the arrows in the solenoid above, the north pole is at ...

The surface temperature of a swimming pool on a warm day is 25ºC and the temperature at the bot...

Two identical cells each of e.m.f 2v and internal resistance 1.0$\Omega$ are connected in parallel...

A car of mass 800kg attains a speed of 25m/s in 20 secs. The power developed in the engine is ...

One of the properties of the earth's magnetic field is that the ...

The magnetic material produced from the chemical combination of metal oxides and has a very high res...

A boy pushes a 500kg box along a floor with a force of 2000N. If the velocity of the box is uniform,...

A cup containing 100g of pure water at 20°C is placed in a refrigerator. If the refrigerator extrac...

Which of the following substance is not a good conductor of electricity? ...

Which of the following is most suitable for protecting the circuit of 2000W electric iron connected ...