AP Polycet (Polytechnic) 2021 Previous Question Paper with Answers And Model Papers With Complete Analysis

A) bottom of the swimming pool with water appears to be raised

B) pencil placed in a tumbler of water appears to have a bent

C) lemon kept in a glass of water appears to be bigger than its size

D) appearance of our image in a plane mirror

A) 0.66

B) 1

C) 1.5

D) 2

A) 45°

B) 65°

C) 90°

D) 30°

A) incident and refracted rays

B) incident ray, refracted ray and normal

C) incident ray and normal only

D) refracted ray and normal only

A) parallel to the principal axis

B) perpendicular to the principal ais

C) at 45° to the principal axis

D) at 60° to the principal axis

A) double convex

B) double concave

C) plano-convex

D) plano-concave

A) between the focal point and centre of curvature

B) between the focal point and the optic centre

C) beyond the centre of curvature

D) at the centre of curvature

A) only A. is true

B) only B. is true

C) both A. and B. are true

D) both A. and B. are false

A) copper

B) nichrome

C) silver

D) germanium

A) (i)-C, (ii)-A, (iii)-B

B) (i)-C, (ii)-B, (iii)-A

C) (i)-A, (ii)-C, (iii)-B

D) (i)-B, (ii)-A, (iii)-C