InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The swing of a spinning cricket ball in air can be explained on the basis of1).Sudden change in wind direction.2).Buoyancy of air. 3). Turbulence caused by wind. 4). Bernoulli's theorem. |
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| 102. |
What is colour of light related to?1).Amplitude2).Frequency3).Quality4).Velocity |
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| 103. |
A concave lens always forms an image which is1). real and erect 2). virtual and erect 3). real and inverted 4). virtual and inverted |
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| 104. |
A decibel is1). a musical instrument2). the wavelength of noise3).a musical note4).a measure of sound level |
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| 105. |
Heat transfer horizontally within the atmosphere Is called1). Conduction 2). Convection 3). Absorption 4). Advection |
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| 106. |
It is dangerous to observe Solar eclipse with naked eyes because1).Infrared radiations from sun burn our retina2).Ultraviolet radiations from Sun bum our retina 3). All radiations from sun initiate chemical reactions in eyes4). Cosmic rays reach eyes more during the eclipse . |
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| 107. |
A sphere rolls down on two inclined planes of different angles but same height it does so1). in the same time2). with the same speed3).In the same time with the same speed4).in the same time with the same kinetic energy |
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| 108. |
Lakes freeze in cold countries in winter leaving the water underneath at1).0°C2).0°F3).4°C4).4°F |
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| 109. |
We always see the same face of the moon because1).It is smaller than the earth2).it revolves on its axis in a direction opposite to that of the earth3).it takes equal time for revolution around the earth and rotation on its own axis4).it rotates at the same speed as the earth around the sun |
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| 110. |
The bats can fly in the dark because1). they can see the objects in darkness2). they have weak legs and are likely to be attacked by predators3). they generate flashes of light4). they generate ultrasonic sound waves |
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| 111. |
Mist is caused by1). dry ice2). ice at low temperature3). water vapour at low temperature4).carbon monoxide in solid form |
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| 112. |
A falling drop of rain water acquires the spherical shape due to1). Viscosity 2). Surface Tension3).Atmospheric pressure4).Gravitational force |
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| 113. |
UK It is difficult to cook rice1).at the top of a mountain2).at the sea level3).under a mine4).same anywhere |
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| 114. |
Gamma rays can cause 1). gene mutation 2). sneezing 3). burning4).fever |
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| 115. |
A parachute descends slowly whereas a stone dropped from the same Height falls rapidly because1). stone is heavier than parachute2). special mechanisms are present in parachute3). a parachute has a larger surface area and air resistance is more4). None of these |
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| 116. |
An optically plane surface reflects a beam of light1). as a parallel beam in one direction 2). as diffused beams in all directions 3). as parallel beams in all directions 4). as a diffused beam in one direction |
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| 117. |
In MRI machine which one Of the following is used?1). Sound wave 2). X-ray 3). Ultrasound wave 4). Magnetic wave |
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| 118. |
ATM stands for1). Automatic Teller Machine 2). Automated Teller Machine 3). Automatic Tally Machine4). . Automated Tally Mechanism |
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| 119. |
If the velocity time graph of a particle is represented by y = mt + c then the particle is moving with1). constant speed 2). constant velocity 3). constant acceleration 4). varying acceleration |
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| 120. |
Why two thin shirts can keep us warmer than a single thick shirt in winter ?1).Two thin shirts become thicker so prevent transmission of heat2).Air layer between two shirts works as good conductor3).Air layer between two shirts behaves like insulating media4).No radiation of heat takes place |
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| 121. |
Which one of the following has the highest value of specific heat?1). Glass 2). Copper 3). Lead 4). Water |
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| 122. |
If the length of a simple pendulum is halved then its period of oscillation is1). doubled 2). halved3).increased by a factor4).decreased by a factor |
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| 123. |
Which type of reaction produces the most harmful radiation ?1). Fusion reaction 2). Fission reaction 3). Chemical reaction 4). Photo Chemical reaction |
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| 124. |
Detergents clean surfaces on the principle of1). viscosity2). surface tension3). elasticity4). floatation |
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| 125. |
For generation of biogas the materials commonly used are1). Animal wastes2). Crop residues3). Aquatic plants4). Forest residues. |
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| 126. |
Nowadays yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ?1). Sodium2). Neon3). Hydrogen4). Nitrogen |
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| 127. |
The temperature of oxyacetylene flame is around1). 2800°C 2). 3200°C 3). 4000°C 4). 1500°C |
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| 128. |
Percentage of lead in lead pencils is1). 02). 663). 404). 80 |
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| 129. |
Which one of the following is used to restore the colour of old oil paintings?1). Ozone2). Hydrogen peroxide3). Barium peroxide4). Sodium peroxide |
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| 130. |
What is the element required for solar energy conversion ?1). Beryllium2). Tantalum3). Silicon4). Ultra pure carbon |
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| 131. |
Which of the following is not a precious semiprecious stone?1). Sapphire2). Ruby3). Pearl4). Emerald |
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| 132. |
Which one of the following is used for dating very old objects of archaeological importance?1). Phosphorus2). Tritium3). Radium4). Carbon |
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| 133. |
Radioactive disintegration of uranium ultimately results in formation of1). radium2). thorium3). polonium4). lead |
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| 134. |
Galvanised iron is made by coating iron with1). Zinc2). Nickel3). Chromium4). Sulphur |
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| 135. |
Photo oxidation process is initiated by1). light2). heat3). oxygen4). catalyst |
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| 136. |
Which one of the following elements is least likely to be found in commercial fertilisers?1). Nitrogen2). Phosphorous3). Potassium4). Silicon |
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| 137. |
Which one of the following is an example of a gel ?1). Cheese2). Milk3). Face cream4). Shaving cream |
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| 138. |
Tear gas is1). Chloroprene2). Carbonyl chloride3). Nitrous oxide4). Bleaching powder |
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| 139. |
Which of the following is used as filler in tyre of rubber ?1). Carbon black2). Coal3). Coke4). Graphite |
| Answer» CARBON BLACK | |
| 140. |
Petroleum consists of a mixture of1). Carbohydrates2). Carbonates3). Hydrocarbons4). Carbide? |
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| 141. |
Galvanization is the :1). deposition of zinc on iron2). deposition of tin on Iron3). deposition of copper on iron4). deposition of aluminum on iron |
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| 142. |
The acid present in red ants is1). Acetic acid2). Butyric acid3). Caproicacid4). Formic acid |
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| 143. |
The chemical(s) most commonly used for cloud seeding or artificial rainmaking is are1). Silver Iodide2). Sodium Chloride3). Dry ice or frozen carbon dioxide4). All the above |
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| 144. |
Which one of the following is radioactive ?1). Cesium2). Platinum3). Strontium4). Thorium |
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| 145. |
An emulsion is a colloid of a1). gas in a liquid2). liquid in a liquid3). liquid in a gas4). gas in a solid |
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| 146. |
In which of the following states maximum iron ore is found ?1). FeC032). Fe2033). Fe3044). FeS2 |
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| 147. |
Percentage of carbon in steel i ranges from1). 1 to 52). 5 to 03). 0 to 04). 0 to 0 |
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| 148. |
Solder metal is an alloy of1). lead and tin2). lead and antimony3). copper and zinc4). copper and tin |
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| 149. |
The major harmful gas emitted by automobile vehicle which causes air pollution is1). Carbon Monoxide2). Methane3). Carbon dioxide4). Ozone gas |
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| 150. |
Which ofthe following can be used to absorb neutrons to control the chain reaction during nuclear fission?1). Boron2). Heavy water3). Uranium4). Plutonium |
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