PHYSICS MULTIPLE CHOICE QUESTIONS SET 144

PHYSICS 

MULTIPLE CHOICE QUESTIONS SET 144

1. Gamma rays can cause
(a)gene mutation
(b)sneezing
(c)burning
(d) fever

2. The substance which conducts current in the solid state is
(a) diamond
(b) graphite
(c)iodine
(d)sodium chloride

3. Which set of conditions represents the easiest way to liquify a gas ?
(a)Low temperature and high pressure
(b)High temperature and low pressure
(c)Low temperature and low pressure
(d)High temperature and high pressure

Q34. What is colour of light related to?
(a) Amplitude
(b) Frequency
(c) Quality
(d) Velocity

5. What principle law explains the working of the hydraulic brakes in automobiles ?
(a)Bernoulli’s law
(b)Posieulles principle
(c)Pascal’s law
(d)Archimedes principle

6. The best conductor of heat among the following is
(a) alcohol
(b) mercury
(c) ether
(d) Water

7. What is viewed through an electron microscope?
(a)Electrons and other elementary particles
(b)Structure of bacteria and viruses
(c)Inside of human stomach
(d)Inside of the human eye

8. What apparatus is used to locate a submerged object?
(a)(I)Radar
(b)Sonar
(c)Quasar
(d)Pulsar

9. Which combination of colour is the most convenient during day and night time ?
(a)Orange and blue
(b)White and black
(c)Yellow and blue
(d)Red and green

10. The instrument that measures and records the relative humidity of air is
(a)Hydrometer
(b) Hygrometer
(c) Lactometer
(d) Barometer
 
ANSWER: 
1 a 
2 b 
3 a 
4 a 
5 c 
6 b 
7 b 
8 b 
9 d 
10 b