MDCAT PHYSICS FLP-21 (SMART INSTITUTE)

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MDCAT Physics Quiz

Challenge your knowledge with our comprehensive MDCAT Physics quiz designed to test your understanding of essential concepts in physics. With a diverse range of questions covering thermodynamics, electromagnetism, and more, this quiz is perfect for students preparing for their medical college admission test.

Brush up on your physics skills and see how you measure up! Here are some topics you will encounter:

Thermodynamics
Wave Motion
Electricity and Magnetism
Frequency and Sound
Practical Applications in Medicine

54 Questions14 MinutesCreated by LearningLight547

123-According to First law of thermodynamics.

ΔQ=ΔW-ΔU

ΔQ=ΔU

ΔQ=ΔU+ΔW

ΔQ=ΔW

124- B-decay means emission of electron from

Radioactive nucleus

Innermost electron orbit

A stable nucleus

Outermost electron orbit

125-The process of converting alternating current to direct current is called

Modulation

Amplification

Oscillation

Rectification

126-According to Faraday's law, EMF stands for

Electromagnetic friction

Electromagnetic force

Electromagnetic function

Non e of these

127-What is the relationship between Power, Current and Voltage

P=V/I

P=VI

2P=I+V

All of them

128-The angular displacement is taken to be positive when the rotation is

Linear

Non-linear

Clockwise

Anti-clockwise

129-Phase difference between particles of a medium lying between two

Zero

Pi/2

Pi/4

130- Iodine-131 is used to trace which cancer

Lungs

Thyroid gland

Breast

Liver

131-The displacement between A and B is defined as .............

Change in position of an object from A to B

Any distance between two points

Longest distance from A to B

Longest distance between two points

132-What is the strength of magnetic field known as ............ ?

Flux

Density

Magnetic strength

Magnetic flux density

133-If the frequency is 50 Hz, the output frequency of bridge rectifier is

50 Hz

100 Hz

200 Hz

150 Hz

134-If the speed of the body is doubled, then

K.E doubled

P.E doubled

Momentum doubled

Acceleration is doubled

135-WOF statements about wave motion is true:

Waves transport energy and matter

Waves transport energy without transporting matter

Waves transport matter but not energy

Waves on a rope, radio waves, infrared

136-Maximum power is delivered when internal resistance of the source equals

Zero resistance

Load resistance

Max resistance

None of these

137-Which one of the following is not the unit of heat?

Calorie

Joule

Watt.sec

Watt

138-Determine the angular displacement in radius of 6.5 revolutions

40.8 radians

4 radians

3 radians

36 radians

139-Passengers sitting in a stationary car experience a jerk when the car suddenly starts. This is due to

Inertia of motion

Inertia of rest

Inertia of turning

Inertia of acceleration

140-The value of quantity G in law of gravitation

Depend on mass of Earth only

Depends on radius of Earth only

Depends on both

It independent of mass and radius of Earth

141-A spring having spring constant of 10 N/m2 is taken stretched to 5 m, what will be the work done

250 J

50 J

-250 J

125 J

142-The source of X-rays generation is

143-The speed of sound in water is approximately:

1500 m/s

5000 m/s

330 m/s

50 m/s

144-Force acting on a positive charge is always

In the direction opposite to electric field

In the direction of electric field

In the direction perpendicular to electric field

In the direction perpendicular to the velocity of charge

145-What does the constant n represent in the equation of state for an ideal gas PV=nRT?

Number of atoms in the gas

Number of moles of the gas

Number of nucleons

Number of molecules of gas

146-Magnetic flux is ....... product

Scalar

Vector

Simple

None of these

147-Electric power is

Rate of electric work done per unit time

Voltage per unit time

Electric charge per unit time

Current per unit time

148-The frequency of a string on a musical instrument can be changed either by:

Varying the diameter or by changing the length

Varying the tension or by changing the thickness

Varying the tension or by changing the length

Varying the thickness or by changing the length

149-An electric fan rotating at 3 rev/s is switched off. It comes to rest in 18.0 s. Assuming deceleration to be uniform. How many revolutions did it turn before coming to rest?

30 rev

27 rev

40 rev

10 rev

150-Calculate the mutual inductance between two coils if a current 10 A in the primary coil changes the flux by 500 Wb per turn in the secondary coil of 200 turns.

10 H

10,000 H

100 H

1000 H

151-Materials that have both metallic and non-metallic characteristics are called

Semiconductor

Metal

Non-metal

Organic compound

152-Ripple factor of full wave rectifier is

1.21

0.6

.482

153-Core of transformer is made up of

Copper

Aluminum

Iron

Steel

154-WOF substances cannot be emitted by radioactive substances during their decay?

Protons

Neutrinos

Helium nuclei

Electrons

155-What is the FPS unit of displacement

Kilometer

Meter

Foot

Pound

156-One radian equals to ...... degree.

None of these

157-Work is done by the applying force when

Applied force

Applied force is perpendicular to the motion

Applied force general motion

Applied force is constant

158-The no. Of diodes in bridge rectifier is

159-Value of current in a short is

Infinite

Zero

Minimum

Maximum

160-Power of transformers are designed to have maximum efficiency at

Full load

50 %

80 %

No load

161-A 200 watt bulb operates in a 220 V circuit. Find the current

0.9 A

0.6 A

2 A

3 A

162-Magnetic force between two wires which are having current in opposite direction will:

Attract each other

Repel each other

Experience no force between them

None of these

163-The output voltage of a rectifier is

Smooth

Pulsating

Perfectly directing

Alternating

164-Three objects are brought close to one another, two at a time. When objects A and B are brought together, they attract. When objects B and C are brought together, they repel. Which of the following are necessarily true?

Objects A and C possess charges of the same sign

Object A and C possess charges of opposite sign

All three objects possess charges of the same sign

Additional experiments must be performed to determine information about the charges on the objects

165-Angular displacement becomes zero when

Velocity is zero

Radial distance is zero

Any of a or b

It can never be zero

166-Half wave voltage multiplier can provide any degree of voltage multiplication by cascading diodes and capacitors

Any doubler

Any tripler

Any multiplication

None of them

167-A stationary wave is formed in a pipe which is open at both ends. If two complete loops are formed and the wavelength of the wave is 10 cm, what is the length of the pipe?

15 cm

10 cm

5 cm

20 cm

168-Let L be the light source. Its intensity at the distance of 3x from L is I. What is its intensity of light at the distance of 2x from the source of light?

9 I/4

3 I/2

4 I/9

2 I/3

169-Internal resistance of a battery is ............. ohm, if E=10V, Vt=9V, I=1A

.01

NONE

170-Absorbed dose D is defined as energy absorbed from ionization radiation per unit.....

Time

Mass

Charge

Area

171-Circular motion of a particle while attached to a string centripetal acceleration is provided by

Tension in string

Gravitational force

Normal force

None

172-The white laser cannot be produced because

It's not coherent

It has low energy

It diffracts easily

All of these

173-The surface will absorb more light

Yellow painted

Blue painted

White painted

Black painted

174-Unit of instantaneous velocity is

M/s2

M/s

1/s

175-If number of loops are increased, then according to Faraday law ...... Will increase.

Voltage

Electric field

Magnetic field

All of these

176-A man pushes a wall and failed to displace it, he does

Negative work

Positive work but not maximum

No work at all

Maximum work

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MDCAT PHYSICS FLP-21 (SMART INSTITUTE)

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