Question # 1

Concave mirror formula is given by:

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R = 2r

sin<i/sin<r

1/f=1/p+1/q

1/f=1/p-1/q

The output of OR gate would be '0' When:

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Both of its inputs are zero

One of its two inputs is zero

Both of its inputs ar 1

Any one of its inputs is 1

When resistances are connected in parallel, the current passing through them is:

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Same

Zero

Different

Infinite

The refractive index of air is:

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6

7

2

1,0003

100x10³ A= :

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10^-3 A

10^-2 A

10 A

10^-1A

electric field is weak when:

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lines are far apart

lines are close together

no lines are present

lines are directed outside

The amount of current that can be painful is:

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0.005A

0.001A

1A

2A

The force applied on the mass attached with a spring is represented by:

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f_a

f_c

f_ext

f_s

Spherical mirrors are used in:

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Medical

Search light

Microscope

All of these

The force applied on the mass attached with a spring is represented by:

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F_a

F_c

F_ext

F_s

The frequency of silent whistle is:

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20,000 Hz - 25000 Hz

2000 Hz - 25000 Hz

200 Hz - 2000 Hz

25000 Hz

Information storage devices work on the principles of

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Heat

Sound

Light

Magnetism

How many possible solutions are there for a prblem?

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One

Two

Three

Multiple

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