AIIMS Physics: Questions 182 - 187 of 500

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 350.00 or

Question number: 182

» Electronic Devices » Logic Gates (Or, and, NOT, NAND and NOR)

Appeared in Year: 2005

MCQ▾

Question

Out of the following, universal gate is –

Choices

Choice (4) Response

a.

NOT

b.

NAND

c.

AND

d.

OR

Question number: 183

» Atoms and Nuclei » Half Life and Mean Life

Appeared in Year: 2004

MCQ▾

Question

Carbon dating is best suited for determining the age of fossils if their age in years is of the order of –

Choices

Choice (4) Response

a.

104

b.

105

c.

106

d.

103

Question number: 184

» Oscillations and Waves » Reflection of Waves

Appeared in Year: 1999

MCQ▾

Question

‘SONAR’ emits which of the following waves?

Choices

Choice (4) Response

a.

Ultrasonic waves

b.

Radio waves

c.

Light waves

d.

Magnetic waves

Question number: 185

» Oscillations and Waves » Displacement Relation for a Progressive Wave

Appeared in Year: 2001

MCQ▾

Question

How does the red shift confirm that the universe is expanding?

Choices

Choice (4) Response

a.

wavelength of light emitted by galaxies appears to decrease

b.

wavelength of light emitted by galaxies appears to increase

c.

wavelength of light emitted by galaxies appears to be the same

d.

Question does not provide sufficient data or is vague

Question number: 186

» Oscillations and Waves » Longitudinal and Transverse Waves

Appeared in Year: 2004

MCQ▾

Question

The waves produced by a motorboat sailing in water are –

Choices

Choice (4) Response

a.

Longitudinal

b.

Stationary

c.

Transverse

d.

Longitudinal and transverse

Question number: 187

» Atoms and Nuclei » Radioactive Decay Law

Appeared in Year: 2005

MCQ▾

Question

A radioactive material has a half – life of 10 days. What fraction of the material would remain after 30 days –

Choices

Choice (4) Response

a.

0.25

b.

0.5

c.

0.125

d.

0.33

Sign In