Question 4681:

If a tube of small radius opened at both ends is placed in a liquid, the liquid will ____________

A. Fall below the liquid level if the liquid does not wet the glass
B. Rise above the liquid level if the liquid does not wet the glass
C. Remain at the same level irrespective of whether the liquid wets the glass or not
D. Fall below the liquid level if the liquid wets the glass

Question 4682:

A piece of rubber 1 Dem long stretches 6mm when a load of 100N is hung from it.

What is the area stretched if the young modulus is 50N/m²

A. 60m²
B. 150m²
C. 33.33 m²
D. 15 m²

Question 4683:

To determine the weight of an object you would ____________

A. Use a balance
B. Use a spring balance
C. Find the force necessary to give it a certain acceleration
D. Use none of these methods
E. Use any of these methods

Question 4684:

A gas at pressure PN/m and temperature 27°c is heated to 77°c at constant volume. The new pressure is ____________

A. 0.85PN/m
B. 0.86PN/m
C. 1.16PN/m
D. 1.18PN/m
E. 2.85PN/m

Question 4685:

Two lamp rated 40w and 220w, each are connected in series. The total power dissipated in both lamps is ____________

A. 10w
B. 20w
C. 40w
D. 80w
E. None