Physics - General Science Objective Questions and Answers | General Awareness for Competitive Exams

Questions
26 Decibel unit is used to measure :
A speed of light
B intensity of heat
C intensity of sound
D radio wave frequency

Answer: Option [C]
27 Which atmospheric layer helps in radio transmission ?
A Ozonosphere
B Ionosphere
C Stratosphere
D Mesosphere

Answer: Option [B]
28 Kilowatt-hour(KWh) unit is used to measure :
A Power
B Energy
C Electric charge
D Electric current

Answer: Option [B]
29 Golden view of sea shell is due to :
A Diffraction
B Reflection
C Refraction
D Polarization

Answer: Option [D]
30 The 'Greenhouse effect' is mainly due to increase in atmospheric :
A Ozone
B Nitrogen
C Carbon dioxide
D Carbon monoxide

Answer: Option [C]

Chapters

Important EBooks for Competitive Exams

VIEW ALL

Random GK Questions

A rupayaka
B dinara
C pana
D none of these
Answer: Option [A]
A Rig-Veda
B Sama-Veda
C Yajur-Veda
D Atharva-Veda
Answer: Option [A]
A Inlier
B Inselberg
C Playa
D Pediment
Answer: Option [B]
A Inscriptions
B Coins
C Palm and barch leaf manuscripts
D Archaeological excavations.
Answer: Option [D]
A Portuguese
B Dutch
C Danish
D British
Answer: Option [A]
A iron ore and manganese
B precious stone and building materials
C copper and mica
D uranium and aluminium
Answer: Option [B]