Physics Past Questions and Answers

It takes a shorter time for a liquid to boil at the top of a mountain than at the base because at the top, the

A Temperature is higher
B Pressure is lower
C Humidity is higher
D Temperature is constant

Question 1232:

Light is considered as a transverse wave because it travels

A Through material without causing disturbance of the medium
B Through space with constant speed
C In a direction parallel to the plane containing the electric and magnetic fields
D In a direction perpendicular to the plane containing the electric and magnetic fields

Question 1233:

In the day time, it is possible to see under shady areas such as under a tree because light has undergone

A Internal reflection
B Refraction
C Diffraction
D Diffuse reflection

Question 1234:

The distance between a concave mirror and an object placed in front of it is 1.0m. If the raduis of curvature of the mirror is 4.0m, the image formed will be

A 2.00m behind the mirror
B 2.00m in front of the mirror
C 1.25m in front of the mirror
D 1.25m behind the mirror

Question 1235:

The image of an object formed by a convex mirror is

A Real, errect and enlarged
B Real, inverted and enlarged
C Virtual, erect and diminished
D Virtual, erect and enlarge