MDCAT PHYSICS FLP-21 (SMART INSTITUTE)
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
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
Pi
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
Cu
H
Na
Al
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
.9
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.
30
60
90
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
4
3
2
5
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
1
.1
.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
M
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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