Question 4846:

Thermal equilibrium between two objects exist when _____________

A. The temperatures of both objects are equal.
B. The quantity of heat in both objects is the same.
C. The heat capacities of both objects are the same.
D. One object loses heat continuously to the other.

Question 4847:

Which of the following is true for the image formed by a convex mirror?
I. The image is always virtual
II. The image is always erect
III. The image is never magnified
IV. The image is never magnified
V. the focal length is negative

A. I only
B. I and II only
C. II and III only
D. I, II, If and IV only
E. All five

Question 4848:

Which of the following statement is true?
The reading of pressure on mercury dialmeter is ifdependent of ____________

A. The eross sectional area of the tube
B. The atmospheric pressure of the tube
C. The censity ofmereury
D. The temperature of mercury
E. The acceleration due to gravity

Question 4849:

In electrolysis experiment, a cathode of mass \(5 g\) is found to weight \(5.019\) after a current of \(5 A\) flows for 50 sec.
what is the electrochemical equivalent of the deposited substance?

A. \(9.00004 g / C\)
B. \(0.00002 g / C\)
C. \(0.02500 d / C\)
D. \(0.05000 g / C\)
E. \(0.00001 g / C\)

Question 4850:

A capacitor and a resistor are connected in series with eachh other and if hegligible internal resistance.
The potential difference across the terminals of the capacitor.

A. Twice the e.m.f of the accumulator
B. Less than the e.m.f by the potential drop across the resistor
C. Zero
D. The same as the e.m.f
E. Greater than the e.m.f