1.  The absorption of ink by blotting paper involves

a

  diffusion of ink through the blotting

b

 capillary action phenomenon

c

 viscosity of ink

d

 siphon action

Answer & Explanation
Answer : Option B

2.  Radio telescopes are better than optical telescopes because

a

  they can detect faint galaxies which no optical telescope can

b

 they can work even in cloudy conditions

c

 they can work during the day and night

d

 All of the above

Answer & Explanation
Answer : Option D

3.  Orbital speed of a satellite is dependent of its mass.

a

  True

b

 False

c

 May be

d

 Not sured

Answer & Explanation
Answer : Option B

4.  What is the relation between wavelength, frequency and velocity?

a

  velocity of wave = wavelength/frequency

b

 velocity of wave = frequency/wavelength

c

 velocity of wave = frequency * wavelength

d

 None of above

Answer & Explanation
Answer : Option C

5.  The weight of a body is

a

  Maximum at the poles

b

 Maximum at the equator

c

 More on the hills than in the plains

d

 The same everywhere on the surface of the earth

Answer & Explanation
Answer : Option A

6.  Solar cell converts

a

  Solar energy into electrical energy

b

 Electrical energy into light energy

c

 Sound energy into electrical energy

d

 Electrical energy into mechanical energy

Answer & Explanation
Answer : Option A

7.  Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum

a

  1.8 km, 0.15 km

b

 2.2 km, 0.20 km

c

 2.8 km, 0.25 km

d

 3.3 km, 0.30 km

Answer & Explanation
Answer : Option D

8.  At what temperature are the temperature on Celsius and Fahrenheit scales equal?

a

  40◦Celsius

b

 - 40◦Celsius

c

 273◦Celsius

d

 - 273◦Celsius

Answer & Explanation
Answer : Option B

9.  Ampere-hour is the unit of which among the following?

a

  Power

b

 Energy

c

 Amount of charge

d

 Intensity of current

Answer & Explanation
Answer : Option C

10.  Blisters are formed more rapidly by the steam of boiling water in comparision to boiling water itself because

a

  Stream has latent heat

b

 Temperature of the stream is higher

c

 Stream enters the body pores rapidly

d

 Stream is a gas and rapidly covers the body

Answer & Explanation
Answer : Option A

11.  The centre of the Newton's rings pattern is dark since

a

  The glass plate plano-convex lens

b

 The light undergoes a phase change P

c

 The light undergoes a phase change 2 P

d

 The light undergoes a phase change P/2

Answer & Explanation
Answer : Option B

12.  Intensity of sound at a point is its distance from the source.

a

  directly proportional to

b

 inversely proportional to

c

 directly proportional to square of

d

 inversely proportional to square of

Answer & Explanation
Answer : Option D

13.  Railway tracks are banked on curves

a

  the train may not fly off in the opposite direction

b

 to avoid frictional force between the tracks and wheels

c

 necessary centrifugal force may be obtained from the horizontal component weight of the train

d

 necessary centripetal force may be obtained from the horizontal component of the weight of the train

Answer & Explanation
Answer : Option D

14.  Which law is also called law of inertia?

a

  Newton first law

b

 Newton second law

c

 Newton third law

d

 All of above

Answer & Explanation
Answer : Option A

15.  Which law states, ' the effect produced by a moving source of waves in which there is an apparent upward shift in frequency for observers towards whom the source is approaching and an apparent downward

a

  Stefan's Law

b

 Doppler's Effect

c

 Kirchhoff's Law

d

 Newton's law of cooling

Answer & Explanation
Answer : Option B

Comments

Comments Added Successfully!
  • Bank Exams
  • UPSC Exams
  • SSC
  • Railway Exams
  • NRA CET
  • Aptitude and Reasoning
  • General Knowledge
  • UPSC General Studies Questions And Answers for competitive exams
  • Computer awareness mcq for competitive exams
  • Indian history Mcq for competitive exams
  • Biology One liner Question and Answers
  • Chemistry One liner Question and Answers
  • Computer One liner Question and Answers
  • Economics One liner Question and Answers
  • Geography One liner Question and Answers
  • GK One liner Question and Answers
  • History One liner Question and Answers
  • Physics One liner Question and Answers
  • Polity One liner Question and Answers
  • Banking Awareness MCQ Questions and Answers
  • Simplification questions and Answers for competitive exams
  • RRB General Awareness Previously Asked Questions
  • Basic General Knowledge Questions and answers for competitive exams
  • General Science MCQ Questions and Answers for competitive exams
  • General Awareness for Bank exams Questions And Answers
  • General Economy Questions and Answers for competitive exams
  • Number and Letter series questions and answers for competitive exams
  • 1000 general knowledge questions and answers
  • SSC General science MCQ GK Questions and Answers
  • MCQ on Indian economy questions and Answers for SSC
  • gk (general knowledge) questions and answers MCQ
  • General Knowledge List of important National and International Days observed
  • Sports General Knowledge Questions and answers for competitive exams
  • Indian history mcq questions and answers for competitive exams
  • Indian economy mcq questions and answers for competitive exams
  • Basic General Knowledge questions and answers for competitive exams
  • Indian Politics mcq questions and answers for competitive exams
  • Indian Geography mcq questions and answers for competitive exams
  • Books and authors mcq questions and answers for competitive exams
  • famous place in India questions and answers for competitive exams
  • biology mcq questions and answers for competitive exams
  • inventions mcq questions and answers for competitive exams
  • famous personalities mcq questions and answers for competitive exams
  • world Organisations mcq questions and answers for competitive exams
  • Indian Culture mcq questions and answers for competitive exams
  • Technology mcq questions and answers for competitive exams
  • houners mcq questions and answers for competitive exams
  • world geography mcq questions and answers for competitive exams
  • general science mcq questions and answers for competitive exams
  • currencies mcq questions and answers for competitive exams
  • himachal gk mcq questions and answers for competitive exams
  • Important Abbreviations mcq questions and answers for competitive exams
  • Country Capitals mcq questions and answers for competitive exams
  • Country Languages mcq questions and answers for competitive exams
  • Important Business Taglines mcq questions and answers for competitive exams
  • Capital of Indian States and Indian Union Territories mcq questions and answers for competitive exams
  • Tourism Tagline Slogan for Indian States and Indian Union Territories
  • Famous Slogans and Phrases given by for Indian Freedom Fighters and Renaissance Leaders
  • Physics mcq questions and answers for competitive exams
  • Chemistry mcq questions and answers for competitive exams
  • Elements, compounds, substances, Metals and Non-Metals Mcq
  • Nuclear Science mcq questions and answers for competitive exams
  • Units, Devices, Dimensions and Measurements mcq questions and answers for competitive exams
  • Scientific Names of Plants and Animals mcq questions and answers for competitive exams
  • Highest, Longest, Biggest, Largest, Deepest, Smallest in India
  • Highest, Longest, Biggest, Largest, Deepest, Smallest of the World
  • Human Body and Reproduction mcq questions and answers for competitive exams
  • Nicknames of places and rivers mcq questions and answers for competitive exams
  • Soil and Agriculture mcq questions and answers for competitive exams
  • Banking Awareness and SEBI mcq questions and answers for competitive exams
  • Soil Erosion and Conservation mcq questions and answers for competitive exams
  • Insurance Awareness mcq questions and answers for competitive exams
  • Taxes in India mcq questions and answers for competitive exams
  • Important Acts of the Parliament of India mcq questions and answers for competitive exams
  • World History mcq questions and answers for competitive exams
  • Vitamins, Minerals, Coenzymes and Deficiency Diseases
  • World General Knowledge mcq questions and answers for competitive exams
  • Major Indian Revolutions in Various Sectors mcq questions and answers for competitive exams
  • Accounting mcq questions and answers for competitive exams
  • Marketing Management mcq questions and answers for competitive exams
  • Business Management mcq questions and answers for competitive exams
  • Business Economics mcq questions and answers for competitive exams
  • Human Resource Management mcq questions and answers for competitive exams
  • Co-operation and Co-operative Societies mcq questions and answers for competitive exams
  • Govt. Schemes and Policies mcq questions and answers for competitive exams
  • RTI Act 2005 mcq questions and answers for competitive exams
  • Ecology, Biodiversity Conservation and Environmental Issues
  • Sobriquets mcq questions and answers for competitive exams
  • Public Administration mcq questions and answers for competitive exams
  • Information Technology Act 2000 mcq questions and answers for competitive exams