Mark out the correct options....

Mark out the correct options.

An ammeter should have small resistance

An ammeter should have large resistance

A voltmeter should have small resistance

A voltmeter should have large resistance

Verified by Experts

The correct Answer is:

A, D

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Two thermally insulated chambers are as shown in figure. Mark out the correct option regarding these.

In Fig. l, thermal equilibrium of A, B and C can be achieved, and hence final temperatures A, B and C are the same.

In Fig.2, thermal equilibrium of A, B and C would be achieved

Both (a) and (b) are right

(b) is right but (a) is wrong

A system X is in thermal equilibrium with Y but not with Z. System Y and Z may be in thermal equilibrium with each other.

A system X is in thermal equilibrium with Y but not with Z. System Y and Z are not in thermal equilibrium with each other.

A system X is neither in thermal equilibrium with Y nor with Z. System Y and Z may not be in thermal equilibrium with each other.

A system X is neither in thermal equilibrium with Y nor with Z. System Y and Z may be in thermal equilibrium with each other.

If the incident rays are converging we have a real object

If the final rays are converging we have a real image

The image of a virtual object is called a virtual image

If the image is virtual the corresponding object is called a virtual object