motion under gravity - Category wise Question and Answer Practice Test with Solutions
Question : 6 [UPPCS (Mains) 2009]
If the distance between the Earth and the Sun were twice what it is now, the gravitational force exerted on the Earth by the Sun would be
a) Four times as large as it is now
b) Twice as large as it is now
c) One-fourth of what it is now
d) Half of what it is now
Answer »Answer: (c)
Question : 7 [UPPCS (Pre) 2012]
Why do pendulum checks usually lose time in summer?
a) Due to friction caused by coils
b) Due to longer days in summer
c) The length of the pendulum increases, increasing the time period of unit oscillation
d) The weight of the pendulum change in summer
Answer »Answer: (c)
Question : 8 [UPPCS (Pre) 1992]
Two balls A and B are of 10 kg and 1 kg, respectively. They are dropped simultaneously from a height of 20 m. Which of the following is correct?
a) B will reach the ground first
b) A will reach the ground first
c) Both A and B will reach the ground at the same time
d) None of the above
Answer »Answer: (c)
Question : 9 [UPPCS (Mains) 2012]
If the gravitational force of the Earth suddenly disappears, which are of the following will be the correct consequence?
a) The mass of the object will become zero but the weight will remain the same
b) The weight of an object will become zero but the mass will remain the same
c) Both the mass and the weight of the object will become zero
d) The mass of the object will increase
Answer »Answer: (b)
IMPORTANT general science mcq EXERCISES
set 1 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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