Introduction of Environmental Science (CBSE-NET (Based on NTA-UGC) Environmental Science (Paper-II)): Questions 38 - 41 of 41

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Question number: 38

» Introduction of Environmental Science » Physico-Chemical and Biological Factors in Environment

Appeared in Year: 2009

MCQ▾

Question

A cyclist starting from stand still accelerates at 0.4 for 10 seconds.

(a) What velocity does it reach and

(b) the distance it covers: (June)

Choices

Choice (4) Response

a.

(a) (b)

b.

(a) (b)

c.

(a) (b)

d.

(a) (b)

Question number: 39

» Introduction of Environmental Science » Laws of Thermodynamics

Appeared in Year: 2009

MCQ▾

Question

The law of conservation of energy is described by:

Choices

Choice (4) Response

a.

Third law of thermodynamics

b.

First law of thermodynamics

c.

Second law of thermodynamics

d.

Zeroth law of thermodynamics

Question number: 40

» Introduction of Environmental Science » Physico-Chemical and Biological Factors in Environment

Appeared in Year: 2009

MCQ▾

Question

As per temperature of an n-type semiconductor increases, the number of hole: (June)

Choices

Choice (4) Response

a.

Does not change but the number of electrons increases

b.

Decreases but the number of electrons increases

c.

Increases but the number of electrons does not change

d.

Increases but the number the electrons decreases

Question number: 41

» Introduction of Environmental Science » Pressure, Temperature, Precipitation, Humidity, Radiation and Wind

Appeared in Year: 2009

MCQ▾

Question

The relationship between pressure (), velocity (v) and height (h), is given by Bernoulli’s equation: (June)

Choices

Choice (4) Response

a.

b.

c.

d.

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