light, heat, thermodynamics, wave motion, sound, optics & oscillations - Category wise Question and Answer Practice Test with Solutions
light, heat, thermodynamics, wave motion, sound, optics & oscillations PRACTICE TEST [16 - EXERCISES]
set 1
set 2
set 3
set 4
set 5
set 6
set 7
set 8
set 9
set 10
set 11
set 12
set 13
set 14
set 15
set 16
Question : 1
Consider the following statements:
- Speed of wave = $\text"wave length"/\text"time period"$.
- Wavelength is the distance between two nearest particles in phase.
- The flash of lightening is seen before the sound of thunder is heard.
- Speed of sound is greater than speed of light.
a) 1, 2 and 3
b) 1 and 2
c) 2 and 3
d) 1, 2, 3 and 4
Answer »Answer: (a)
Speed of sound at NTP = 332 m/s,
whereas speed of light is 3 × 108
Question : 2 [UPPCS (Pre) 1993]
The hand burns more by steam comparatively to boiling water, because
a) Steam sneaked into the body
b) The steam has more power
c) The steam has latent heat
d) Steam is gig
Answer »Answer: (c)
Question : 3 [UPPCS (Pre) 2015]
The number of images of an object placed between two parallel mirrors is
a) Six
b) One
c) Two
d) Infinite
Answer »Answer: (d)
Question : 4 [UPPCS (Pre) 2014]
Sound waves do not travel in
a) Liquids
b) Gases
c) Solids
d) Vacuum
Answer »Answer: (d)
Question : 5 [IAS (Pre) 1999]
Strips of two metals A and B are firmly jointed together as shown in the figure. On heating, A expands more than B does. If this jointed strip is heated, then it will appear as

a)

b)

c)

d)

Answer: (a)
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general science mcq CATEGORIES
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» Measurement And SI Units
-
» Measuring Devices And Scales
-
» 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
-
» 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
-
» General Concepts Of Chemistry
-
» Nature Of Matter And Composition
-
» Atomic Structure Molecules And Nuclear Chemistry
-
» Classification Of Elements, Chemical Bonding, Periodicity In Properties & Physical Transformation
-
» Metals, Non Metals, Minerals, Ores, Properties, Uses
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» Alloys, Carbon & Its Various Forms, Hydrogen & Compounds, Sulphur, Nitrogen, Halogen & Inert Gases
-
» Acids, Bases, Salts And Metals
-
» Hydrocarbon, Alcohol, Polymer, Organic Acid And Explosive Substance
-
» Fuel, Food Preservation, Nutrition, Medicine, Detergents And Fertilizers
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» Inorganic Chemistry
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» Organic Chemistry
-
» Environmental Chemistry
-
» Some Important Man Made Materials
-
» Sub Divisions Of Biology
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» Genetics, Evolution Of Life & Ecological Biodiversity
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» Taxonomy
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» Heredity
-
» 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
-
» Vitamins, Nutrition, Health, Disease And Treatment
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» Endocrine Glands, Hormones
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» Physiology Of Plants, Humans And Animals
-
» Reproduction
-
» Genetic Engineering And Bio Technology
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