AIIMS Physics: Questions 175 - 181 of 500

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Question number: 175

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

Appeared in Year: 2004

MCQ▾

Question

An organ pipe closed at one end has fundamental frequency of 1500 Hz. The maximum number of overtones generated by this pipe which a normal person can hear is –

Choices

Choice (4) Response

a.

14

b.

9

c.

6

d.

13

Question number: 176

» Atoms and Nuclei » Half Life and Mean Life

Appeared in Year: 2006

MCQ▾

Question

The fossil bone has a 14C:12C ratio, which is (116) of that in a living animal bone. If the half-life of 14C is 5730 years, then the age of the fossil bone is –

Choices

Choice (4) Response

a.

22920 years

b.

11460 years

c.

45840 years

d.

17190 years

Question number: 177

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

Appeared in Year: 1999

MCQ▾

Question

Boolean algebra is essentially based on –

Choices

Choice (4) Response

a.

symbol

b.

truth

c.

logic

d.

numbers

Question number: 178

» Oscillations and Waves » Displacement Relation for a Progressive Wave

Appeared in Year: 2002

MCQ▾

Question

If equation of a sound wave is y=0.0015sin(62.8x+314t) then its wavelength will be –

Choices

Choice (4) Response

a.

2 unit

b.

0.1 unit

c.

0.2 unit

d.

0.3 unit

Question number: 179

» Atoms and Nuclei » Radioactive Decay Law

MCQ▾

Question

U has 92 protons and 238 nucleons. It decays by emitting an Alpha particle and becomes –

Choices

Choice (4) Response

a.

Np

b.

U

c.

Th

d.

All of the above

Question number: 180

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

Appeared in Year: 2001

MCQ▾

Question

From the following which depends on the path –

Choices

Choice (4) Response

a.

Internal energy

b.

V

c.

P

d.

PΔV

Question number: 181

» Oscillations and Waves » Harmonics

Appeared in Year: 2002

MCQ▾

Question

The graph between wave number (ν) and angular frequency (ω) is –

Choices

Choice (4) Response

a.

Graph of angular frequency vs wave number: Choice - A

Graph of Angular Frequency vs Wave Number: Choice - A

In figure graph between angular frequency and wave number is shown.

b.

Graph of angular frequency vs wave number: Choice - B

Graph of Angular Frequency vs Wave Number: Choice - B

In figure graph between angular frequency and wave number is shown.

c.

Graph of angular frequency vs wave number: Choice - C

Graph of Angular Frequency vs Wave Number: Choice - C

In figure graph between angular frequency and wave number is shown.

d.

Graph of angular frequency vs wave number: Choice - D

Graph of Angular Frequency vs Wave Number: Choice - D

In figure graph between angular frequency and wave number is shown.

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