Physics Past Questions and Answers

I. change of state
II. Diffusion
III. Radiation
IV. Osmosis
which of the processes above can be explained using the kinetic theory?

A I, II,III and IV
B I, II and III
C I, III and IV
D I, II and IV

Question 1597:

Three similar cells each of e.m.f 2 v and internal resistance 2Î© are connected in parallel, the total e.m.f and total internal resistance are respectively

A 6 v, 6.0Î©
B 2 v, 0.7Ω
C 2 v, 6.0Î©
D 6 v, 0.7Î©

Question 1598:

When the human eye loses its power of accomodation, the defect is known as

A Short sightedness
B Presbyobia
C Astigmatism
D Long sightedness

Question 1599:

When a red rose flower is observed in blue light, what colour does the observer see?

A Red
B Blue
C Magenta
D Yellow
E No correct option

Question 1600:

The capacitance of a parallel plate capacitor is 20 Î¼f in air and 60 Î¼f in the presence of a dielectric. What is the dielectric constant?

A 0.3
B 6.0
C 3.0
D 2.0