AIIMS (All India Institute of Medical Sciences) Physics: Questions 40 - 43 of 500

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Question number: 40

» Experimental Skills » Refractive Index

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Appeared in Year: 2004

MCQ▾

Question

An object is immersed in a fluid. In order that the object becomes invisible, it should – [AIIMS]

Choices

Choice (4)Response

a.

Have refractive index exactly matching with that of the surrounding fluid

b.

Absorb all light falling on it

c.

Behave as a perfect reflector

d.

Have refractive index one

Question number: 41

» Electrostatics » Capacitors

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Appeared in Year: 2004

MCQ▾

Question

A 40 µF capacitor in a defibrillator is charged to 3000 V. The energy stored in the capacitor is sent through the patient during a pulse of duration 2 ms. The power delivered to the patient is – [AIIMS]

Choices

Choice (4)Response

a.

45 kW

b.

90 kW

c.

360 kW

d.

180 kW

Question number: 42

» Properties of Solids & Liquids » Boyle's Law & Applications

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Appeared in Year: 2005

MCQ▾

Question

A candle of diameter d is floating on a liquid in a cylindrical container of diameter D as shown in figure. If it is burning at the rate of then the top of the candle will – [AIIMS]

A candle floating on a liquid

A Candle Floating on a Liquid

Choices

Choice (4)Response

a.

Remain at the same height

b.

Fall at the rate of 1 cm/hour

c.

Fall at the rate of 2 cm/hour

d.

Go up at the rate of 1 cm/hour

Question number: 43

» Magnetic Effects of Current and Magnetism » Magnet Oscillations

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Appeared in Year: 2000

MCQ▾

Question

A magnet makes 40 oscillations per minute at a place having magnetic field of . At another place, it takes 2.5 sec to complete one vibration. The value of earth’s horizontal field at that place is: [AIIMS]

Choices

Choice (4)Response

a.

b.

c.

d.

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