PHYSICS MULTIPLE CHOICE QUESTIONS SET 11

PHYSICS 

MULTIPLE CHOICE QUESTIONS SET 11

1. Boyle’s law states the relationship between
A. pressure and temperature                  
B. pressure and volume
C. volume and temperature                    
D. pressure and density
Answer: Option  b
 
2. A device used for measuring the depth of the sea is called
A. Hydrometer               
B. Manometer               
C. Altimeter             
D. Fathometer
Answer: Option  d
 
3. The source of sun’s radium energy is
A. Nuclear fission             
B. Magnetic traps         
C. Cosmic radiations        
D. Nuclear fusion
Answer: Option  d
 
4. A periscope works by the principle of
A. diffraction         
B. refraction only        
C. reflection and interference    
D. reflection and refraction
Answer: Option  d
 
5. An artificial satellite can be tracked very precisely from the earth by using
A. Radar              
B.  Zeeman effect               
C. Doppler effect                
D. Sonar
Answer: Option  c
 
6. Choke is used to
A. reduce the current in AC circuit           
B. reduce the current in DC circuit
C. convert Ac to Dc                               
D. convert Dc to AC
Answer: Option  a
 
7. The apparatus used in submarines to give clear view of the object on the surface of the ocean or ground is known as
A. telescope                
B. periscope            
C. stereoscope                    
D. sectant
Answer: Option  b
 
8. A red object when seen through a thick blue glass appears
A. Black                  
B. Blue                  
C. White                     
D. Green
Answer: Option  a
 
9. Electrons can be accelerated to very high energies by means of
A. thyratrons              
B. magnetrons                    
C. betatrons                 
D. cyclotrons
Answer: Option  c
 
10. Sound cannot travel through
A. solids                    
B. liquids                         
C. gases                     
D. vacuum
Answer: Option  d