MCQOPTIONS
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MCQOPTIONS
This section includes 2016 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
How many terminals does an electric cell has? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 102. |
Find the energy possessed by an object of mass 11 kg when it is at a height of 7 m above the ground. Given g = 9.8 ms-2. |
| A. | 528 J |
| B. | 754.6 J |
| C. | 588 J |
| D. | 520 J |
| Answer» C. 588 J | |
| 103. |
1no + 235U92 → ySb52 + 99Nb41 + 41no.Find y from the given fission equation of an uranium nucleus? |
| A. | 131 |
| B. | 132 |
| C. | 133 |
| D. | 134 |
| Answer» D. 134 | |
| 104. |
A _______ is a safety device which prevents damages to electrical circuits and possible fires. |
| A. | Filament |
| B. | Battery |
| C. | Cell |
| D. | Fuse |
| Answer» E. | |
| 105. |
A ball of 0.1 kg is dropped from rest. When it falls through a distance of 2 m, the work done by the force of gravity is (g = 9.8 m/s2): |
| A. | -1.96 J |
| B. | 1.96 J |
| C. | 0.98 J |
| D. | -0.98 J |
| Answer» C. 0.98 J | |
| 106. |
In a __________________ wave particles of the medium vibrate in a direction parallel to the direction of wave propagation. |
| A. | Transverse |
| B. | Longitudinal |
| C. | Surface |
| D. | Field |
| Answer» C. Surface | |
| 107. |
Half life of Erbium-165 is 10 hours. How much Erbium (in gm) will be left out of 0.5gm after 20 hours? |
| A. | 0.25 |
| B. | 0.0625 |
| C. | 0.125 |
| D. | 0.3125 |
| Answer» D. 0.3125 | |
| 108. |
A 5 kg object is raised through a height of 4 m. The Work done by the force of gravity acting on the object is (take g = 10 m/s2): |
| A. | 200 J |
| B. | –200 J |
| C. | 20 J |
| D. | -20 J |
| Answer» C. 20 J | |
| 109. |
If an object is at rest, then the time (X-axis) versus distance (Y-axis) graph |
| A. | is vertical |
| B. | is horizontal |
| C. | has 45° positive slope |
| D. | has 45° negative slope |
| Answer» C. has 45° positive slope | |
| 110. |
A nuclear reactor is a device to produce nuclear energy with the help of |
| A. | Nuclear fusion |
| B. | Uncontrolled chain reaction |
| C. | Controlled chain reaction |
| D. | Graphite as fuel |
| Answer» D. Graphite as fuel | |
| 111. |
If an object with a mass of 25 kg is moving with a uniform acceleration of 8ms-2, then the force exerted by the body is ______. |
| A. | 200 N |
| B. | 200 J |
| C. | 200 ms-2 |
| D. | 200 ms2 |
| Answer» B. 200 J | |
| 112. |
How is acceleration due to gravity denoted? |
| A. | Small letter g |
| B. | Capital letter G |
| C. | Greek letter g |
| D. | Greek letter epsilon ε |
| Answer» B. Capital letter G | |
| 113. |
If I is the current through a wire and e is the charge of an electron, then the number of electrons crossing in t seconds will be given by: |
| A. | e/It |
| B. | Ie/t |
| C. | It/e |
| D. | Ite |
| Answer» D. Ite | |
| 114. |
Mothballs work on the principle of ________. |
| A. | Evaporation |
| B. | Liquefaction |
| C. | Deposition |
| D. | Sublimation |
| Answer» E. | |
| 115. |
Generally water is used as a 'Coolant' because of its ________. |
| A. | More availability |
| B. | Low density |
| C. | Low specific heat |
| D. | High specific heat |
| Answer» E. | |
| 116. |
Find the kinetic energy of a ball of mass 2 kg moving with a speed of 30 ms-1 |
| A. | 900 W |
| B. | 900 Pa |
| C. | 900 N |
| D. | 900 J |
| Answer» E. | |
| 117. |
A thermostat is a device for? |
| A. | Switching off an electrical appliance |
| B. | Regulating temperature |
| C. | Producing heat |
| D. | Measuring temperature |
| Answer» C. Producing heat | |
| 118. |
An object of mass 10 kg is moving with a velocity of 5 ms-1. If the velocity of the object is tripled, the change in kinetic energy of the object is: |
| A. | 90% |
| B. | 300% |
| C. | 800% |
| D. | 900% |
| Answer» D. 900% | |
| 119. |
5.6 kwh = ? |
| A. | 20.1 × 106 J |
| B. | 14.4 × 106 J |
| C. | 14.4 × 108 J |
| D. | 14.4 × 105J |
| Answer» B. 14.4 × 106 J | |
| 120. |
_______ instrument is used to measure potential difference. |
| A. | Thermometer |
| B. | Ammeter |
| C. | Galvanometer |
| D. | Voltmeter |
| Answer» E. | |
| 121. |
If an unsaturated sugar solution is prepared by mixing 100 grams of sugar with half litre of water, which of the following physical quantities will not change? |
| A. | mass |
| B. | density |
| C. | concentration |
| D. | volume |
| Answer» B. density | |
| 122. |
Meter in a vehicle that calculates distance covered by the vehicle is called ________. |
| A. | Speedometer |
| B. | Odometer |
| C. | Thermometer |
| D. | Kilometre |
| Answer» C. Thermometer | |
| 123. |
If you walk toward a plane mirror at a speed of 10 cm/s, at what speed does your image approach you? |
| A. | 20 cm/s |
| B. | Information inadequate |
| C. | 5 cm/s |
| D. | 10 cm/s |
| Answer» B. Information inadequate | |
| 124. |
A body of mass 6 kg accelerates from 6 m/s to 18 m/s in 3 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). |
| A. | 48 |
| B. | 60 |
| C. | 24 |
| D. | 96 |
| Answer» D. 96 | |
| 125. |
Microscope is used for the study of which of the following? |
| A. | Distant objects |
| B. | Nearby objects |
| C. | Small objects |
| D. | Micro and nearby objects |
| Answer» E. | |
| 126. |
Find the velocity (in m/s) that a car will achieve after 20 seconds if it starts and accelerates at 3.2 m/s2 |
| A. | 72 |
| B. | 36 |
| C. | 108 |
| D. | 64 |
| Answer» E. | |
| 127. |
Acceleration in a body by an unbalanced force is ________. |
| A. | proportional of force |
| B. | inverse of force |
| C. | remains independent of force effect |
| D. | always remains zero |
| Answer» B. inverse of force | |
| 128. |
2H1 + 2H1 → 3H1 + ___________ + 4.03 Mev. Find the missing element/s. |
| A. | 1 neutron |
| B. | 1 electron |
| C. | 1 proton |
| D. | 1 positron |
| Answer» D. 1 positron | |
| 129. |
Heat flows as a result of difference of ________. |
| A. | Temperature |
| B. | Density |
| C. | Mass |
| D. | Volume |
| Answer» B. Density | |
| 130. |
Insulators have resistivity of the order of ________. |
| A. | 106Ωm to 108Ωm |
| B. | 106Ωm to 107Ωm |
| C. | 104Ωm to 107 Ωm |
| D. | 104Ωm to 1016 Ωm |
| Answer» E. | |
| 131. |
How much work is done in moving a charge of 10 C across two points having a potential difference 20 V? |
| A. | 10 J |
| B. | 200 J |
| C. | 2 J |
| D. | 0.5 J |
| Answer» C. 2 J | |
| 132. |
An apparatus used for locating submerged objects is known as? |
| A. | Pulsar |
| B. | Quasar |
| C. | Sonar |
| D. | Radar |
| Answer» D. Radar | |
| 133. |
Nucleus of 233Pa91 emits one beta particle to give nucleus of _________. |
| A. | 233Pa91 |
| B. | 225Ac89 |
| C. | 228Ra88 |
| D. | 233U92 |
| Answer» E. | |
| 134. |
More than how much measurement the sound is called "noise"? |
| A. | 80 decibel |
| B. | 100 decibel |
| C. | 120 decibel |
| D. | 140 decibel |
| Answer» B. 100 decibel | |
| 135. |
An electric lamp of 120 W is used for 8 hours per day. Calculate the units of energy consumed by the lamp in one day. |
| A. | 16.00 unit |
| B. | 1.50 unit |
| C. | 0.96 unit |
| D. | 2.00 unit |
| Answer» D. 2.00 unit | |
| 136. |
If a current of 3 Amperes flows for 1 minute, how much charge flows in this time? |
| A. | 60 Coulombs |
| B. | 30 Coulombs |
| C. | 90 Coulombs |
| D. | 180 Coulombs |
| Answer» E. | |
| 137. |
No work is done if ________. |
| A. | a child picks a pile of books from a shelf and takes it to the table |
| B. | a horse pulls a cart |
| C. | a girl pushes a trolley |
| D. | a man stands still holding two suitcases |
| Answer» E. | |
| 138. |
________ light does NOT scatter by fog or smoke. |
| A. | Red |
| B. | Blue |
| C. | Yellow |
| D. | Green |
| Answer» B. Blue | |
| 139. |
1n0 + 235U92 → 133Sb51 + 99Nb41 + y1n0. Find 'y' from the given fission equation of an uranium nucleus? |
| A. | 3 |
| B. | 2 |
| C. | 4 |
| D. | 1 |
| Answer» D. 1 | |
| 140. |
If the binding energy for nucleon in \({}_3^7Li\) and \({}_2^4He\) nuclei are 5.60 MeV and 7.06 MeV respectively, then in the reaction \(p + {}_3^7Li \to 2{}_2^4He\), energy of proton must be |
| A. | 28.24 MeV |
| B. | 17.28 MeV |
| C. | 1.46 MeV |
| D. | 39.2 MeV |
| Answer» C. 1.46 MeV | |
| 141. |
Consider the following statements:a. Beta particles are negatively charged and are more penetrating than Alpha particles, which are positively charged.b. Gamma particles are neutral and are more penetrating than Beta-particles.c. In general neutral particles can be said to be having very high penetrating power. |
| A. | a and b are universally true. |
| B. | a and b are false but c is true. |
| C. | c is resultant statement of a and b. |
| D. | c is not resultant statement of a and b. |
| Answer» B. a and b are false but c is true. | |
| 142. |
Match the following:List - I (Principle)List-II (Application)a) Impulsive forcei) Working of hand pumpb) Moment of forceii) Motion of planetsc) Mechanical energyiii)Ball hit by a batd) Law of conservation of angular momentumiv) Flying bird |
| A. | a-ii, b-i, c-iv, d-iii |
| B. | a-iii, b-iv, c-i, d-ii |
| C. | a-i, b-ii, c-iii, d-iv |
| D. | a-iv, b-iii, c-i, d-ii |
| Answer» C. a-i, b-ii, c-iii, d-iv | |
| 143. |
A man is standing on a boat in still water. If he walks towards the shore the boat will _____. |
| A. | move away from the shore |
| B. | turn |
| C. | move towards the shore |
| D. | sink |
| Answer» B. turn | |
| 144. |
MRI scans produce detailed images of the organs and tissues in the body. What is the full form of MRI? |
| A. | Magnified Retrieved Ionizing |
| B. | Magnetic Resonance Imaging |
| C. | Magnetic Resource Intersection |
| D. | Magnified Resource Imaging |
| Answer» C. Magnetic Resource Intersection | |
| 145. |
A boy receives his echo in 6 seconds. Find the distance of the reflecting surface from the boy. (The speed of sound in air = 342 m/s) |
| A. | 28.5 m |
| B. | 1026 m |
| C. | 67 m |
| D. | 2052 m |
| Answer» C. 67 m | |
| 146. |
1n0 + 235U92 → 140Xe54 + 94Sr38 + y1n0. Find 'y' from the given fission equation of an uranium nucleus? |
| A. | 2 |
| B. | 3 |
| C. | 5 |
| D. | 9 |
| Answer» B. 3 | |
| 147. |
An ordinary magnet does not attract _________. |
| A. | Iron |
| B. | Nickel |
| C. | Bronze |
| D. | Steel |
| Answer» D. Steel | |
| 148. |
A satellite having circular orbit around the earth has a kinetic energy Ek. What is the minimum amount of energy to be added so that it escapes from the earth ? |
| A. | \(\dfrac{E_k}{4}\) |
| B. | \(\dfrac{E_k}{2}\) |
| C. | Ek |
| D. | 2Ek |
| Answer» E. | |
| 149. |
Position of a body with acceleration ‘a’ is given by x = kamtn, where t is time. The value of m and n are: |
| A. | m = 2, n = 2 |
| B. | m = 1, n = 1 |
| C. | m = 1, n = 2 |
| D. | m = 2, n = 3 |
| Answer» D. m = 2, n = 3 | |
| 150. |
During ________ motion of an object along a straight line, the change in velocity of the object for any time interval is zero. |
| A. | Linear |
| B. | Translational |
| C. | Equilibrium |
| D. | Uniform |
| Answer» E. | |