PHYSICS MULTIPLE CHOICE QUESTIONS SET 32

PHYSICS   

MULTIPLE CHOICE QUESTIONS SET 32

1.Who was the inventor of positron?
A.  Anderson          
B.  Chadwick           
C.  J.J. Thomson              
D.  Rutherford
Answer:  A Anderson
 
2.Who was the inventor of neutron?
A. Rutherford               
B. Chadwick                     
C. Thomson           
D. Newton
Answer: B Chadwick
 
3.The electrification in a boy takes place due to
A.  Neutron                 
B.  Positron                   
C.  Electron                   
D.  Proton
Answer: C  Electron
 
4.Who was the inventor of radar?
A.  Robert Watson                  
B.  Bush Wall                 
C.  Fleming             
D.  Austin
Answer:  A Robert Watson
 
5.The rear view of a mirror vehicles is
A.  Plane                 
B.  Triconcave         
C.  Concave                
D.  Convex
Answer: D Convex
 
6. Who invented the laser?
A.  Seymour Cray             
B.  Charles H. Townes        
C.  Sir Frank Whittle    
D.  Fred Morrisson
Answer: B Charles H. Townes
 
7. Rocket operates (works) on the principle of
A.  Energy conservation                 
B.  Momentum conservation  
C.  Avogadro's concept               
D.  Bernoulli's theorem
Answer: B Momentum conservation
 
8. The antiparticle of the electron is called as
A.  Meson            
B.  Neutrino                 
C.  Antineutrino             
D.  Positron
Answer: D Positron
 
9. The radius of gyration is related to
A.  Moment of force                               
B.  Moment of inertia    
C.  Moment of momentum                   
D.  Simple harmonic motion
Answer: B Moment of inertia
 
10. Kilowatt is a unit to measure
A.  Electricity            
B.  Power                      
C.  Work                       
D.  Current
Answer: B Power