Last updated on December 14th, 2023 at 08:36 am
Which type of mirror forms a virtual, upright, and diminished image?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Shiny mirror
Answer: a) Convex mirror
What is the composition of white light?
a) Three colors
b) Four colors
c) Five colors
d) Seven colors (VIBGYOR)
Answer: d) Seven colors (VIBGYOR)
Which property of light refers to its ability to travel in a straight line?
a) Dispersion
b) Reflection
c) Rectilinear Propagation
d) Refraction
Answer: c) Rectilinear Propagation
What is the phenomenon of splitting white light into its seven colors called?
a) Dispersion
b) Reflection
c) Refraction
d) Scattering
Answer: a) Dispersion
What type of lens is thinner at the center than at the edges?
a) Convex lens
b) Concave lens
c) Plano-concave lens
d) Plano-convex lens
Answer: b) Concave lens
Which type of lens can form a real and inverted image?
a) Convex lens
b) Concave lens
c) Plano-concave lens
d) Plano-convex lens
Answer: a) Convex lens
When an object is placed very close to a convex lens, what type of image is formed?
a) Real, inverted, and magnified
b) Virtual, erect, and magnified
c) Real, erect, and diminished
d) Virtual, erect, and diminished
Answer: b) Virtual, erect, and magnified
Which type of mirror forms an image that is smaller in size than the object?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Shiny mirror
Answer: a) Convex mirror
