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- Hubble
- Newton
- Einstein
- Galileo
Sciences MCQs
The other name of Vitamin C is _____.
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- Formic acid
- Ascorbic acid
- Acetic acid
- Riboflavin
For being able to see three-dimensional pictures we have to use _____.
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- An epidiascope
- A binocular
- A camera
- A stereoscope
A satellite moving round the earth with a uniform speed has _____.
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- An accelerated motion
- No acceleration at all
- Uniform acceleration
- Uneven acceleration
The absorption of ink by blotting paper involves _____.
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- Capillary action phenomenon
- Viscosity of ink
- Diffusion of ink through the blotting
- Siphon action
Materials for rain-proof coats and tents owe their water proof properties to _____.
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- Specific gravity
- Viscosity
- Elasticity
- Surface tension
Water has maximum density at _____.
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- 0°C
- 4°K
- 6.2°C
- 4°C
Detergents dissolved in water help in cleaning clothes by _____.
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- Increasing the temperature of water
- Reducing the surface tension of water
- Reacting chemically with dirt
- Dissolving dirt
In order to prevent the corrosion of iron pipes, they are often coated with a layer of zinc. This process is termed as _____.
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- Galvanisation
- Electroplating
- Annealing
- Vulcanisation
Scalding with steam is more severe than scalding by boiling water because _____.
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- Steam can penetrate the skin
- Steam contains more energy than boiling water
- Steam is at a higher temperature
- Steam is at a higher pressure