AIPMT 2011 Prelims | Geometrical Optics Question 54 | Physics

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AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

Which of the following is not due to total internal reflection ?

Working of optical fibre

difference between apparent and real depth of a pond

Mirage on hot summer days

Brilliance of diamond

AIPMT 2010 Mains

MCQ (Single Correct Answer)

-1

A rays of light is incident on a 60^o prism at the minimum deviation position. The angle of refraction at the first face (i.e., incident face) of the prism is

zero

30^o

45^o

60^o

AIPMT 2010 Mains

MCQ (Single Correct Answer)

-1

The speed of light in media M₁ and M₂ are 1.5 $$ \times $$ 10⁸ m/s and 2.0 $$ \times $$ 10⁸ m/s respectively. A ray of light enters from medium M₁ to M₂ at an incidence angle i. If the rays suffers total internal reflection, the value of i is

Equal to sin^$$-$$1 $$\left( {{2 \over 3}} \right)$$

Equal to or less than sin^$$-$$1$$\left( {{3 \over 5}} \right)$$

Equal to or greater than sin^$$-$$1 $$\left( {{3 \over 4}} \right)$$

Less than sin^$$-$$1$$\left( {{2 \over 3}} \right)$$

AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

A lens having focal length f and aperture of diameter d forms an image of intensity I. Aperture of diameter $${d \over 2}$$ in central region of lens is covered by a black paper. Focal length of lens and intensity of image now will be respectively

$$f\,$$ and $${I \over 4}$$

$${{3f} \over 4}$$ and $${I \over 2}$$

$$f$$ and $${{3I} \over 4}$$

$${f \over 2}$$ and $${I \over 2}$$

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Biology

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Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution