force of gravity, solids and fluids - Category wise Question and Answer Practice Test with Solutions
Question : 2
In respect of the difference of the gravitational force from electric and magnetic forces, which one of the following statements is true ?
a) Gravitational force has a very short range.
b) Gravitational force is attractive only, whereas the electric and the magnetic forces are attractive as well as repulsive.
c) Gravitational force is stronger than the other two.
d) Gravitational force is a long range force, while the other two are short range forces.
Answer »Answer: (b)
Question : 3
An artificial satellite orbiting the earth does not fall down because the earth’s attraction
a) is balanced by the viscous drag produced by the atmosphere
b) vanishes at such distances
c) is balanced by the attraction of the moon
d) produces the necessary acceleration of its motion in a curved path
Answer »Answer: (d)
Question : 4 [NDA]
A block of ice is floating in a beaker containing liquid of specific gravity greater than one. When ice melts completely what happens to the level of liquid in the beaker?
a) It will rise up
b) It will go down
c) It will remain the same as before
d) It may or may not change depending upon size of beaker
Answer »Answer: (a)
IMPORTANT general science mcq EXERCISES
set 2 Online Quiz
Click to Start..general science mcq CATEGORIES
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» Measurement And SI Units
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» Measuring Devices And Scales
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» Mechanics (Mass, Force, Acceleration, Work, Energy, Momentum, Velocity)
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» Force Of Gravity, Solids And Fluids
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» Motion Under Gravity
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» Physical Properties Of Materials
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» Light, Heat, Thermodynamics, Wave Motion, Sound, Optics & Oscillations
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» Electric Current And Magnetism
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» Nuclear Physics And Conductivity
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» Modern And Space Physics, Sources Of Energy
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» General Concepts Of Chemistry
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» Nature Of Matter And Composition
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» Atomic Structure Molecules And Nuclear Chemistry
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» Classification Of Elements, Chemical Bonding, Periodicity In Properties & Physical Transformation
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» Metals, Non Metals, Minerals, Ores, Properties, Uses
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» Alloys, Carbon & Its Various Forms, Hydrogen & Compounds, Sulphur, Nitrogen, Halogen & Inert Gases
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» Acids, Bases, Salts And Metals
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» Hydrocarbon, Alcohol, Polymer, Organic Acid And Explosive Substance
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» Fuel, Food Preservation, Nutrition, Medicine, Detergents And Fertilizers
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» Inorganic Chemistry
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» Organic Chemistry
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» Environmental Chemistry
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» Some Important Man Made Materials
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» Sub Divisions Of Biology
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» Genetics, Evolution Of Life & Ecological Biodiversity
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» Taxonomy
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» Heredity
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» Biofertilizer
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» Biological Classification Cell Tissues And Division
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» Human Anatomy
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» Blood Transport System
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» Digestion And Excretion
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» Photosynthesis
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» Vitamins, Nutrition, Health, Disease And Treatment
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» Endocrine Glands, Hormones
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» Physiology Of Plants, Humans And Animals
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» Reproduction
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» Genetic Engineering And Bio Technology
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