IIT-JEE 2007 Paper 1 Offline | Geometrical Optics Question 64 | Physics

IIT-JEE 2007 Paper 1 Offline

MCQ (Single Correct Answer)

-1

Statement 1 :

The formula connecting u, v and f for a spherical mirror is valid only for mirrors whose sizes are very small compared to their radii of curvature.

Statement 2 :

Laws of reflection are strictly valid for plane surfaces, but not for large spherical surfaces.

Statement 1 is True, Statement 2 is True, Statement 2 is a CORRECT explanation for Statement 1

Statement 1 is True, Statement 2 is True, Statement 2 is NOT a CORRECT explanation for Statement 1

Statement 1 is True, Statement 2 is False

Statement 1 is False, Statement 2 is True

IIT-JEE 2006

MCQ (Single Correct Answer)

-1

A point object is placed at a distance of 20 cm from a thin plano-convex lens of focal length 15 cm , if the plane surface is silvered. The image will form at

IIT-JEE 2006 Physics - Geometrical Optics Question 4 English

60 cm left of AB

30 cm left of $A B$

12 cm left of AB

60 cm right of AB

IIT-JEE 2006

MCQ (Single Correct Answer)

-1

A biconvex lens of focal length $f$ forms a circular image of sun of radius $r$ in focal plane. Then

$\pi r^2 \propto f$.

$\pi r^2 \propto f^2$.

if the lower half part is covered by black sheet, then the area of the image is equal to $\frac{\pi r^2}{2}$.

if f is doubled intensity will increase.

IIT-JEE 2006

MCQ (Single Correct Answer)

-1

Graph of position of image versus position of point object from a convex lens is shown. Then, the focal length of the lens is

IIT-JEE 2006 Physics - Geometrical Optics Question 6 English

$0.50 \pm 0.05 \mathrm{~cm}$

$0.50 \pm 0.10 \mathrm{~cm}$

$5.00 \pm 0.05 \mathrm{~cm}$

$5.00 \pm 0.10 \mathrm{~cm}$

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