AIPMT 2003 | Optics Question 91 | Physics

AIPMT 2003

MCQ (Single Correct Answer)

-1

A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then its focal length will

become zero

become infinite

become small, but non-zero

remain unchanged

AIPMT 2003

MCQ (Single Correct Answer)

-1

An equiconvex lens is cut into two halves along (i) XOX' and (ii) YOY' as shown in the figure. Let $$f,f',$$ $$f''$$ be the focal lengths of the complete lens, of each half in case (i), and of each half in case (ii), respectively.

Choose the correct statement from the following

AIPMT 2003 Physics - Optics Question 43 English

AIPMT 2003 Physics - Optics Question 43 English

$$f' = f,f'' = 2f$$

$$f' = 2f,f'' = f$$

$$f' = f,f'' = f$$

$$f' = 2f,f'' = 2f$$

AIPMT 2002

MCQ (Single Correct Answer)

-1

A bulb is located on a wall. Its image is to be obtained on a parallel wall with the help of convex lens. The lens is placed at a distance d ahead of second wall, then required focal length will be

only $${d \over 4}$$

only $${d \over 2}$$

more than $${d \over 4}$$ but less than $${d \over 2}$$

less than $${d \over 4}$$

AIPMT 2002

MCQ (Single Correct Answer)

-1

Diameter of human eye lens is 2 mm. What will be the minimum distance between two points to resolve them, which are situated at a distance of 50 meter from eye. The wavelength of light is 5000 $$\mathop A\limits^ \circ $$

2.32 m

4.28 mm

1.25 cm

12.48 cm

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