Join our Telegram Channel

1000 POLITICAL SCIENCE MCQS | EBook
Get 22 nos. GK EBooks | Combo Pack
Current Affairs Monthly Magazine -Subscribe Now!
1000 BIOLOGY MCQS AND ANSWERS | EBook
1000 ECONOMICS MCQS FOR EXAMS | EBook
Mughal Empire MCQs | EBook
ECONOMIC GEOGRAPHY MCQs | EBook
350 MCQs ON INDIAN CONSTITUTION | EBook
GENERAL AWARENESS COMBO (6 EBOOKS)

Science Quiz | General Knowledge Multiple Choice Questions and Answers | Page-18

Questions
86 Lens is made up of
A Ordinary glass
B Pyrex glass
C Cobalt glass
D Flint glass

Answer: Option [D]
87 Among the following materials sound travels fastest in
A vacuum
B steel
C water
D air

Answer: Option [B]
88 Kilowatt-hour is the unit of
A light
B energy
C force
D power

Answer: Option [B]
89 The head mirror used by ENT doctors is
A convex
B concave
C plane
D plano-convex

Answer: Option [B]
90 The word ‘insolation’ means
A insoluble matters
B matters which insulate
C incoming solar radiation
D none of the above

Answer: Option [C]
Advertisement

Chapters

General Knowledge

Month-wise Current Affairs 2022

Category-wise Current Affairs

Jobs by Qualification

Free Mock Test