Question # 1

In 1905, the special theory of relativity was proposed by

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Einstein

Bohr

Maxwell

De Broglie

The field is strong and uniform.

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Inside the solenoid

Surrounding of solenoid externally

Perpendicular to solenoid

All of above

Which of the following is one of the spectral series of atomic hydrogen?

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Brockett series

Balmer series

P fund series

All of above

A charged conductor has charge on its.

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Inner surface

Outer surface

Middle surface

Surrounding space

Electric field intensity at a point is defined by the relation.

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E= q/F

E = F/q

E = qF

E = F/q2

For computation of electric flux, the surface area should be.

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Parallel

Flat

Curved

Spherical

Which one of the following paved the way for modern physics

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Newtonian mechanics

Theory of relativity

Quantum theory

All of above

1 rem =

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0.001 SV

0.01 SV

0.1 SV

1.01 SV

SI unit of electric flux is.

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NmC¹

Nm^-1 C¹

Nm²C^-1

Nm³C²

Which pair belongs to hadrons.

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Protons and Neutrons

Neutrons and electrons

Photons and electrons

positrons and electrons

Nuclear fission was discovered by:

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Otto Hahn

Friz strassmann

Both a and b

Michaelson

The central region of a transistor is called.

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Emitter

Collector

Base

Neutral

The wavelength associated with the protons moving at speed of 40 m/s is.

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7.20 nm

9.02

15.7 nm

17.3 nm

Brightness of screen of CRO controlled by

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Grid

Filament

Anode

Cathode

Which is not characteristic of Laser.

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Monochromatic

Coherent

Intense

Multi direction

A diode characteristics curve is a plot between

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Current and resistance

Voltage and time

Voltage and current

Current and time

A device that shows the visible path of ionizing particle is called.

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GM counter

Solid state detector

Scalar

Wilson cloud chamber

The value of Stefan is constant is:

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4.57 x 10^-8 m²k²

5.67 x10^-8 wm^-2k^-4

6.67x 10^-11 wm²k⁴

7.45 x 10^-9 m² wk³

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