A slide projector gives magnification of 10- If it projects a slide of 3 cm - 2 cm on a screen- the area of image on screen is-

The correct option is B 600 cm^2 Area of magnification, #160; A_1A_2=μ^2 A_16=100 A_1=600 cm^2 ...

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Standard XII

Physics

Moving Object, Stationary Lens

A slide proje...

Question

A slide projector gives magnification of $10$ . If it projects a slide of $3 c m \times 2 c m$ on a screen, the area of image on screen is:

6000 {c m}^{2}

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600 {c m}^{2}

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3600 {c m}^{2}

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12000 {c m}^{2}

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Solution

The correct option is B $600 {c m}^{2}$
Area of magnification,
$\frac{A_{1}}{A_{2}} = μ^{2}$
$\frac{A_{1}}{6} = 100$
$A_{1} = 600 {c m}^{2}$

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A slide projector gives magnification of 10. If it projects a slide of 3cm×2cm on a screen, the area of image on screen is:

The correct option is B 600 cm2Area of magnification, A1A2=μ2A16=100A1=600 cm2

A slide projector gives magnification of $10$ . If it projects a slide of $3 c m \times 2 c m$ on a screen, the area of image on screen is:

The correct option is B $600 {c m}^{2}$
Area of magnification,
$\frac{A_{1}}{A_{2}} = μ^{2}$
$\frac{A_{1}}{6} = 100$
$A_{1} = 600 {c m}^{2}$