Geometrical OpticsHard
Question
A plane mirror is moving with velocity 4î + 5ĵ + 8
. The point object in front of the mirror moves with a velocity 3î + 4ĵ + 5
. Here 
is along the normal to the plane mirror and facing towards the object. The velocity of the image is :
. The point object in front of the mirror moves with a velocity 3î + 4ĵ + 5. Here is along the normal to the plane mirror and facing towards the object. The velocity of the image is : Options
A.- 3î - 4ĵ + 5
B.3î + 4ĵ + 11
C.- 3î - 4ĵ + 11
D.7î + 4ĵ + 11
Solution
= 4î + 5ĵ + 8
, 
= 3î + 4ĵ + 5∵ Plane of the mirror is xy
∴
= 3 + 4 and for 
= 2 vMZ - vOZ = 2 × 8 - 5 = 11
⇒
= 3î + 4ĵ + 11
Create a free account to view solution
View Solution FreeMore Geometrical Optics Questions
The length of a telescope is 36 cm. The focal lengths of its lenses can be -...A transparent solid cylindrical rod has a refractive index of . It is surrounded by air. A light rayis incident at the m...If the focal length of objective lens is increased then magnifying power of...Velocity of light in glass, whose refractive index w.r.t. air is 1.5, is 2 × 108 m/Sec. In a certain liquid the vel...A ray of light normally on the first refracting face of the prism of refracting angle A. The ray of light comes out at g...