The angle between the velocity vector of object and image is α π . Velocity are shown in the figure. Then the value of α is.

v 0 = 5 i ^ + 5 3 j ^ , v I = − 15 i ^ + 5 3 j ^ Dot product = − 75 + 75 = 0 , so θ = 2 π and α = 2 Answer 2

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PhysicsGeometrical Optics197Medium2 minQB

PhysicsMediuminteger

The angle between the velocity vector of object and image is $\frac{π}{α}$ . Velocity are shown in the figure. Then the value of $α$ is.

Answer:

Solution:

$v_{0} = 5 \hat{i} + 53 \hat{j}$ , $v_{I} = - 15 \hat{i} + 53 \hat{j}$

Dot product = $- 75 + 75 = 0$ , so $θ = \frac{π}{2}$ and $α = 2$

Answer 2

Stream:JEESubject:PhysicsTopic:Geometrical OpticsSubtopic:197

⏱ 2mℹ️ Source: QB

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