Question # 1

From which of the following you can get information almost about everything?

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Book

Teacher

Computer

Internet

The unit of spring constant is:

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m

kg

Nm²

Nm^-1

Two uncharged objects A and B are rubbed against each other. When object B is placed near a negatively charged object C, the two objects repel each other. Which of these statements is true about object A.

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Remains uncharged

Becomes positively charged

Becomes negatively charged

Unpredicatable

Which technology is used in mobile phone:

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Heat

Radio

Light

Laser

The S.I unit of electric power is:

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Volt

Watt

Ampere

Joule

The half life of carbon -14 is:

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5730 years

5740 years

5750 years

5760 years

Totally reflecting prism turns the incident ray at an angle of:

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90^o

60^o

75^o

45^o

the resistance of an ammeter should be:

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high

very high

low

constant

Which is used to investigate the properties of electron beam:

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LDR

Electroscope

Proton gun

Electron gun

Mathematical formula of capacitance of a capacitor is:

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C = QV

C = Q/V

C = V/Q

C = V2/Q

The maximum displacement from mean position is called:

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Maximum height

Time period

Amplitude

Interval

George Boole invented:

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Boolean algebra

Arithmetic algebra

Mean algebra

Geometry

The formula of time period of simple pendulum is:

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T = 2π √L/g

T = 2π (L/g)

T = 2π√1/g

T = 1/2π √L/g

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