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 : 3
Cloudy nights are warmer compared to clear cloudless nights, because clouds
a) produce heat and radiate it towards earth
b) reflect back the heat given off by earth
c) prevent clod waves from the sky from descending on earth
d) absorb heat from the atmosphere and send it towards earth
Answer »Answer: (b)
Cloudy nights are warmer than clear nights because, the cloud cover provides a shield which act as an insulator and store up the heat radiated by the earth and do not permit heat to escape.
Question : 5
A ray of light propagates from an optically denser medium to an optically rarer medium. Then
a) it will continue to go on the same path after refraction.
b) it will bend towards the normal after refraction.
c) it will bend away from the normal after refraction.
d) it will refract making an angle of refraction = angle of incidence.
Answer »Answer: (d)
A ray of light traveling from optically denser to the optically rarer medium will bend away from the normal.
IMPORTANT general science mcq EXERCISES
-
Top Physics Objective GK Questions Answers Practice Quiz »
-
199+ Physics objective questions and answers to Banking »
-
Top Physics GK Questions and Answers Competitive Exams »
-
Basic 199+ Physics Objective Questions With Answers SSC »
-
New Physics General Knowledge MCQ Questions Answer IBPS »
-
Top Physics GK MCQ questions answers competitive exam »
-
New Physics General Knowledge MCQ All Competitive Exams »
-
Top Physics Thermodynamics GK MCQ Questions And Answers »
-
New Physics GK Objective Questions For Competitive Exams »
-
299+ Important Physics MCQs Test for Competitive Exam »
-
New 249+ Physics Multiple Choice Questions For Bank, SSC »
-
Top 199+ Physics General Knowledge Questions and Answers »
-
Top 199+ Physics Light MCQ Practice Test For Bank Exams »
-
Top 229+ MCQs on Heat Physics GK For Competitive Exams »
-
New 246+ General Science Physics MCQs Questions For IBPS »
-
New General Science Physics Questions Answers MCQ PDF »
set 2 Online Quiz
Click to Start..general science mcq CATEGORIES
-
» Measurement And SI Units
-
» Measuring Devices And Scales
-
» Mechanics (Mass, Force, Acceleration, Work, Energy, Momentum, Velocity)
-
» Force Of Gravity, Solids And Fluids
-
» Motion Under Gravity
-
» Physical Properties Of Materials
-
» Light, Heat, Thermodynamics, Wave Motion, Sound, Optics & Oscillations
-
» Electric Current And Magnetism
-
» Nuclear Physics And Conductivity
-
» 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
-
» 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
-
» Inorganic Chemistry
-
» Organic Chemistry
-
» Environmental Chemistry
-
» Some Important Man Made Materials
-
» Sub Divisions Of Biology
-
» Genetics, Evolution Of Life & Ecological Biodiversity
-
» Taxonomy
-
» Heredity
-
» Biofertilizer
-
» Biological Classification Cell Tissues And Division
-
» Human Anatomy
-
» Blood Transport System
-
» Digestion And Excretion
-
» Photosynthesis
-
» Vitamins, Nutrition, Health, Disease And Treatment
-
» Endocrine Glands, Hormones
-
» Physiology Of Plants, Humans And Animals
-
» Reproduction
-
» Genetic Engineering And Bio Technology
RECENT BLOGS
Recently Added Subject & Categories For All Competitive Exams
SSC STENO English - Single Fillers MCQ Test for 2024 Exam
Free General English Fill In The Blanks Single Fillers-based multiple choice questions and answers test PDF & Online Quiz for SSC Steno Grade C & D 2024 Exam
Continue Reading »
Simplification Questions Test PDF For SSC STENO C, D 2024
Free New Simplification Aptitude-based multiple choice questions & answers practice test series. Online Quiz PDF for SSC Stenographer (Grade C, D) 2024 Exam
Continue Reading »
New Classification - Verbal MCQ Test SSC STENO 2024 Exam
Free Classification Verbal Reasoning-based multiple choice questions answers practice test series, Online MCQ Quiz PDF for SSC Steno (Grade C & D) 2024 Exam
Continue Reading »
Idioms and Phrases Question Test PDF SSC STENO C & D 2024
Free General English Idioms and Phrases-based multiple choice questions and answers practice test series. Online Quiz PDF for SSC Steno Grade C & D 2024 Exam
Continue Reading »