# NEET Test Series-2021 to 2022/NEET Physics MCQ set 1 Sample Test,Sample questions

1.9 mA

2.90 mA

3.13 mA

4.130 mA

## Question: ` An Astronomical Unit, or AU, is the average distance between`

1. The Sun and Neptune

2.The Sun and Earth

3.The Earth and the Moon

4. The Sun and Mercury

## Question: ` During an atomic explosion, the energy released is due to`

1.Conversion of protons to neutrons

2.Conversion of chemical energy into heat energy

3.Conversion of mechanical energy into nuclear energy

4.Conversion of mass into energy

## Question: ` In a diode, when there is saturation current, the plate resistance is`

1.Zero

2.Infinite

3.Some finite quantity

4.Data is insufficient

## Question: ` In a triode valve`

1.If the grid voltage is zero then plate current will be zero

2.If the temperature of the filament is doubled, then the thermionic current will also be doubled.

3.If the temperature of the filament is doubled, then the thermionic current will nearly be four times

4.At a definite grid voltage, the plate current varies with plate voltage according to Ohmâ€™s law

## Question: ` Keplerâ€™s 2nd law deals with`

1.The shape of the planetâ€™s orbits

2.The speed/area the planet travels

3.The length of time it takes the planet to orbit the sun

4.Time travel

## Question: ` Keplerâ€™s first law states that the orbits of the planets are oval in shape or`

1.Ellipses

2.Perfect circles

3.Squares

4.triangles

1.0.8 mA

2.0.6 mA

3.0.4 mA

4.1 mA

## Question: ` Which among the following statement is the definition of a pseudoplastic liquid?`

1.It is a liquid that becomes less viscous over time when constant shear stress is applied

2.As the rate of shear increases, it becomes less viscous

3.When constant shear stress is applied the liquid becomes more viscous over time

4.A liquid which becomes more viscous as the rate of shear increases

1.138 MHz

2.10,866 Hz

3.1,907 Hz

4.138 kHz

1.25.2

2.22.8

3.28.8

4.20

1.60 V

2.660 V

3.30 V

4.300 V

## Question: `An oscillator employs â€¦â€¦â€¦â€¦â€¦â€¦ feedback`

1.Positive

2.Negative

3.Neither positive nor negative

4.Data insufficient

## Question: `An oscillator producesâ€¦â€¦â€¦â€¦â€¦. oscillations`

1.Damped

2.Undamped

3.Modulated

4.None of the above

## Question: `For a given plate voltage the plate current in a triode is maximum when the potential of`

1.The grid is positive and the plate is negative

2.The grid is positive and the plate is positive

3.The grid is zero and the plate is positive

4.The grid is negative and the plate is positive

## Question: `If the resistance in parallel with a parallel resonant circuit is reduced, the bandwidth`

1.Disappears

2.Becomes Sharper

3.Increases

4.Decreases

## Question: ```In a series RLC circuit that is operating above the resonant frequency the current (a) ```

1.Lags the applied voltage

3.Is in phase with the applied voltage

4.Is zero

## Question: `In a triode amplifier, the value of maximum gain is equal to`

1.Half the amplification factor

2.Amplification factor

3.Twice the amplification factor

4.Infinity

## Question: `In an LC oscillator, the frequency of the oscillator isâ€¦â€¦â€¦â€¦â€¦â€¦ L or C.`

1.Proportional to square of

2.Directly proportional to

3.Independent of the values of

4.Inversely proportional to the square root of

1.15

2.20

3.25

4.35

## Question: `Keplerâ€™s second law is known as`

1.The Law of Orbits

2.The Law of Areas

3.The Law of Periods

4.The Law of Gravity

## Question: `Keplerâ€™s third law is known as`

1.The Law of orbits

2.The Law of Areas

3.The Law of periods

4. The Law of gravity

## Question: `Multivibrators belongs to which of the following category?`

1.Square wave oscillators

2. Sinusoidal oscillators

3.Ramp wave oscillators

4.Triangular wave oscillators

1.Plutonium

2.Thorium

3.Graphite

4.Berilium

## Question: ```Number of secondary electrons emitted per number of primary electrons depends on ```

1.Material of target

2.Frequency of primary electrons

3.Intensity

4.None of the above

1.10 volt

2.4 volt

3.40 volt

4.100 volt

1.Filament

2.Cathode

3.Grid

4.plate

1.Hydrogen

2.Iron

3.Helium

4.Uranium

## Question: `The energy we get in nuclear reaction comes from`

1.Energy we put into the reactor

2.he mass of the fuel

3.Water

4.The sun

1.Longer

2.Shorter

3.Squares

4. Ellipses

1.P3 = a2

2.P3 = a3

3.P2 = a2

4.P2 = a3

## Question: `The Keplerâ€™s first law is known as`

1.The law of orbits

2.The law of areas

3.The law of periods

4.The law of gravity

1.20

2.200

3.125

4.75

1.25

2.100

3.12

4.7

## Question: `The relative motion between the adjacent layers of a fluid in motion is called viscous force. Which of the flowing suits the best in the sentence?`

1. Effects at some conditions

2.Never affects

3.Opposes

4.Facilitates

## Question: `The release in energy in nuclear fission is consistent with the fact that uranium has`

1.More mass per nucleon than either of the two fragments

2.Has more mass per nucleon as the two fragment

3.Has exactly the same mass per nucleon as the two fragments

4.Less mass per nucleon than either of the two fragments

## Question: `The sinusoidal oscillator is also called`

1.LC oscillator

2.Harmonic oscillator

3.RC oscillator

4.Crystal oscillators

1.Fusion

2.Fission

3.Half-life

1.75

2.300

3.18.75

4.200

## Question: `The value of input impedance for a matched line will be equal to`

2.Characteristic impedance

3.Output impedance

4.Zero

## Question: `The voltage gain by the triode depends on`

1.Filament voltage

2.Plate voltage

3.Plate resistance

4.Plate current

## Question: ```To tune a parallel resonant circuit to a higher frequency, the capacitance should be ```

1.Increased

2.Decreased

3.Left alone

4.Replaced with inductance

## Question: `What do we call the maximum velocity of a fluid in a tube for which the flow remains streamlined?`

1.Hyper velocity

2.critical velocity

3.Stream velocity

4.Laminar velocity

## Question: `What happens to the viscosity of liquid with the increase in temperature`

1.It increases

2.It decreases

3.No change

4.It may increase or decrease

## Question: `What has an eccentricity of zero?`

1.A straight line

2.A large ellipse

3.A circle

4.A small ellipse

## Question: `What is the beneficial aspect of nuclear fission?`

1.The ability to absorb energy

2.The ability to produce more energy than nuclear fusion

3.The ability to release tremendous amounts of energy

4.There are no beneficial aspects of nuclear fission

1.50

2.75

3.50 or 75

4.100

1.1/2

2.5

3.10

4.15

1.Candela

2.Poiseiulle

3.Newton/m (

4.No units

1.50

2.20

3.1000

4.125

## Question: `What is the value of negative sequence impedance?`

1.1

2.Z

3.Same as positive sequence

4.infinity

## Question: `What is the value of resonant frequency if the value of C in a series RLC circuit is decreased?`

1.Is not affected

2.Increases

3.Is reduced to zero

4.Decreases

1.25

2.1.33

3.0.75

4.7

1.Triples

2.Decreases

3.Increases

4.Stays the same

1.The axis

2.The perihelion

3.The centre

4.The Sun

## Question: `Which among the below-mentioned oscillators does not adopt any kind of feedback mechanism?`

1.Wein bridge oscillator

2.UJT relaxation oscillator

3.Phase-shift oscillato

4.All the above

## Question: `Which among the following parameters acts as an initiator for the operation of an oscillator in the absence of input signal?`

1.Noise figure

2.Noise voltage

3.Noise power

4.Noise temperature

## Question: `Which is the following is the correct definition of solubility?`

1.The rate at which a solute dissolves into a solvent

2. The ability of a solid particle to disperse throughout a liquid continuous phase

3.The rate at which the immiscible liquid droplets disperse within a second in the liquid phase

4.The ability of a solute to dissolve into a solvent

1.U-230

2.U-235

3.U-245

4.U-225

1.Proton

2.Electron

3.Deuteron

4.Neutron

## Question: ```Which of the following is not an example for the non-sinusoidal oscillator? ```

1.Sawtooth Generators

2.Blocking oscillators

3.Multivibrator

4.Crystal oscillators

## Question: `Which of the following oscillators cannot be used in low-frequency oscillations?`

1.Wein bridge oscillators

2.RC phase shift oscillators

3.Colpitts oscillators

4.RC oscillators

## Question: `Which of the following represents Kinematic viscosity?`

1.Viscosity/temperature

2.Viscosity/area

3.Viscosity/density

4.Viscosity/mass

## Question: `Which of the following represents viscosity?`

1.Potential energy stored in fluid

2.Resistance to fluid motion

3.Roughness of the surface

4.The pressure difference between the two fluids

## Question: `Which of the following represents viscosity?`

1.Potential energy stored in fluid

2.Resistance to fluid motion

3.Roughness of the surface

4.The pressure difference between the two fluids

1.Water

2.Honey

3.Blood

4.Air

## Question: `Which of these ratios gives the value of viscosity of fluid?`

1.Ratio of the shearing stress to the weight of the fluid

2.Ratio of the shearing stress to the density of the fluid

3.Ratio of the velocity gradient and shearing stress

4.The ratio of the shearing stress to the velocity gradient

## More MCQS

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