AIPMT 2003 | Geometrical Optics Question 68 | Physics

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 - Geometrical Optics Question 40 English

AIPMT 2003 Physics - Geometrical Optics Question 40 English

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

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

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

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

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 2002

MCQ (Single Correct Answer)

-1

For the given incident ray as shown in figure, the condition of total internal refraction of this ray the required refractive index of prism will be

AIPMT 2002 Physics - Geometrical Optics Question 36 English

AIPMT 2002 Physics - Geometrical Optics Question 36 English

$${{\sqrt 3 + 1} \over 2}$$

$${{\sqrt 2 + 1} \over 2}$$

$$\sqrt {{3 \over 2}} $$

$$\sqrt {{7 \over 6}} $$

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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