MDCAT PHYSICS FLP-23 (SMART INSTITUTE)

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MDCAT Physics Quiz FLP-23

Test your knowledge of physics concepts with our MDCAT Physics Quiz FLP-23, designed specifically for aspiring medical students. This quiz covers a variety of topics, ensuring a comprehensive review of essential physics principles.

30 questions to challenge your understanding
Multiple choice format for ease of answering
Instant feedback on your performance

54 Questions14 MinutesCreated by LearningStar274

125-What the units of the ratio: specific latent heat of vaporization of water ......... Specific heat capacity of water

1......K

NO UNIT

127-The current passing through a conductor is directly proportional to the potential difference applied across its terminals, provided the temperature and other physical conditions of the conductor does not change

Gauss's law

Lenz law

Pascal's law

Ohm's law

128-Calculate the wavelength of photon associated with 3 x 10^14 Hz frequency

10 micrometer

100 micrometer

1 micrometer

2 micrometer

129-For a 1 efficient step-down transformer

Voltage in primary and secondary are equal

Current in primary and secondary are equal

Input power is same as the output power

Output power is zero

130-The capacitance of a capacitor is a measure of its ability to

Store charge

Store electric field

Gain potential difference difference

Store magnetic field

132-In a stationary wave, the distance between a node and an adjacent antinode is equal to

Wavelength

2 wavelength

Wavelength/2

Wavelength/4

133-The negative sign in F=-kx, indicates that

F is directed opposite to x

F is directed along x

F is always equal to x

None of these

134-A horse is pulling a cart of mass 50 kg in the horizontal direction, if the distance travelled is 20 m then what will be the work done by the horse

1000 J

-1000 J

12/31 J

500 J

135-The phenomenon of radioactivity is

Nuclear process does not depend on external factors

Increased on applied pressure

Exothermic change which increases and decrease with temperature

None of these

136-If a current wire of 2A and length 5m enters perpendicular to magnetic field of 10 T. Calculate the force experienced by it

50 N

100 N

200 N

25 N

137-The electric potential difference between two points A and B in an electric field can be defined as

Work done in carrying a unit positive charge from infinity to B while keeping the charge in equilibrium

Work done in carrying a unit positive charge A to infinity while keeping the charge in equilibrium

Work done in carrying a nit positive charge from A to B keeping the charge in equilibrium

Work done in carrying a unit positive charge from A to B

138-A variable force F=X is applied what will be the work done in moving the particle from X=0 to 1

2 J

1 J

0.5 J

5 J

139-A car travels 30 m towards east, then takes turn and travels 40 m in towards north. It takes 50 sec. Its average velocity is

7/5 m/s

1 m/s

1/5 m/s

5 m/s

141-What a wave comes across the boundary of two media, a part of it is reflected back. Which statement is true about reflected wave

The reflected wave has largest wavelength and larger frequency

The reflected wave has same wavelength and larger frequency

The reflected wave has larger wavelength and same frequency

The reflected wave has same wavelength and same frequency

142-Copper wire is used as connecting wire because

Copper has high electrical resistivity

Copper has low electrical resistivity

Copper has low electrical conductivity

Copper has high value of elasticity

143-A man holds a bucket by applying force 10 N, then moves a horizontal distance of 5 m and vertical distance of 10 m. Find out the net work done

100 J

150 J

50 J

200 J

144-If the temperature of a carnot engine working with efficiency 70 % is 1000K,then the temperature of the sink is

300K

400K

500K

700K

145-Angular velocity is also called as

Instantaneous velocity

Rotational velocity

Tangential velocity

Linear velocity

146-Electric field lines due to a negative charge are

Always horizontal

Always vertical

Radially towards the charge

Radially away from the charge

147-The magnetic field is parallel to a surface , then the magnetic flux through the surface is

Zero

Small but not zero

Infinite

Large but not infinite

148-Initial mass of water, at its boiling point, is 0.8 kg, 4 kW of heater is used to boil it completely. Assuming the specific latent heat of vaporization of water is 2 MJ/kg ,which is the time taken to vaporize all the water?

400 s

4000 s

250 s

2500 s

149-The speed of waves depends upon the

Tension of the string

Tension and mass per unit length of the string

Diameter of the string

Mass per unit length of the string

150-The tires on a bicyle have a diameter of 24 inches. If the tires are turning at a rate of 50 revolution per minute, determine the bicycle's speed in miles per hour

3:1

6:3

3:9

3:6

151-The length of a conductor is halved . Its resistance will be

Halved

Doubled

Unchanged

Quadruples

153-A sinusoidal current has rms value of 10 A. What is the peak value of current

144.4A

1.4A

0.1414 A

14.4A

154-What is the acceleration of an object having charge 2 micro C and mass 2 g moving through electric field strength 20 N/C

4 cm/s2

2 cm/s2

40 cm/s2

20 cm/s2

155-A motion with uniform negative acceleration can be represented on displacement-time graph by

A horizontal line

A curve line with decreasing gradient

A gradient line with constant gradient

A curve line with increasing gradient

156-The efficiency of the heat engine can be measured by

Decreasing the temperature of high temperature reservoir

Increasing the temperature of high temperature reservoir

Increasing the temperature of low temperature reservoir

Increasing the temperature of both high temperature and low temperature reservoir

157-For anti-clockwise rotation direction of angular velocity is

Positive

Negative

Zero

Infinite

159-The direction of induced current is always so as to oppose the change which causes the current is

Faraday's law

Lenz's law

Kirchoff's law

161-What will be the photon energy for for a wavelength of 5000 angstrom, if the energy of a photon corresponding to a wavelength of 7000 angstroms is 4.23 x 10^-19 J

0.45 eV

3.701 eV

1.7 eV

6.9 eV

163-A steel ball of mass 5 g is thrown downward with velocity 10 m/s from height 19.5 m. It penetrates sand by 50 cm. The change in mechanical energy will be

1 J

1.25 J

1.5 J

1.75 j

165-NUMBERS OF ELECTRONS EMITTED IN PHOTOELECTRIC EFFECT DEPENDS UPON

Wavelength of incident light

Frequency of incident light

Energy of incident light

Intensity of incident light

167-Internal energy remains same throughout the process in

Adiabatic process

Isothermal process

Cyclic process

Both adia and iso

168-The energy stored in a parallel plate capacitor is 3J. What is the capacitance of the capacitor if the potential difference between the plates is 220V

124 micro F

660 micro F

75 nF

124 mF

169-A wavefront travels from air to the medium Q. It makes an angle 45 deg with boundary in air and makes angle 30 deg with boundary in medium Q. What is the effective index of the medium Q

Sin 30/ sin 45

Sin 45 / sin 30

Sin 60 / sin 45

Sin 45 / sin 60

170-Electric current may be defined as

Rate of flow of charges

Rate of flow of momentum

Rate of flow of power

None of these

171-X-rays are also known as

Slow moving invisible photons

Slow moving visible photon

Fast moving invisible photon

Fast moving visible

172-In a double slit experiment , a monochromatic light was used , the wavelength of light was 500 nm. The distance between slits is 0.1 mm. What is the separation between fringes if they are observed at a distance of 3.0 m?

15 mm

15 cm

1.5 mm

1.5 cm

173-If angular frequency is doubled , centripetal force is

Twice

Four times

Eight times

Remain same

174-The control rods in nuclear reactors control the reaction by

Reducing the neutron speed

Increasing the neutron speed

Increasing the electron speed

Decreasing the electron speed

175-A full wave rectifier is operating from 50 Hz mains. Fundamental frequency of ripple will be

100 Hz

25 Hz

50 Hz

200 Hz

176-An object moves 20 m towards east then 10 m towards west, in 5 sec. What is its average velocity and average speed

Speed = 6m/s, velocity= 2m/s

Speed=6 m/s, velocity=6 m/s

Speed= 2 m/s, velocity=2 m/s

Speed =2 m/s, velocity=6 m/s

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MDCAT PHYSICS FLP-23 (SMART INSTITUTE)

MDCAT Physics Quiz FLP-23

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