PHYSICS MULTIPLE CHOICE QUESTIONS SET 14

PHYSICS 

MULTIPLE CHOICE QUESTIONS SET 14

1. Crystals having low melting points are in
A. ionic bond               
B. vander waal’s bond            
C. metallic bond           
D. covalent bond
Answer: Option  c
 
2. What is the normal body temperature of a human body
A. 39.5° C                  
B. 35.8° C                        
C. 37° C                       
D. 98.6° C
Answer: Option  c
 
3.  A transformer is
A. transforms frequency          
B. generates e.m.f       
C. transforms energy     
D. transforms voltage
Answer: Option  b
 
4. Which one of the following is not electromagnetic in nature?
A. UV–rays                       
B. gamma rays                   
C. alpha rays                 
D. infra–red rays
Answer: Option  c
 
5. X rays can pass through
A. lead                    
B. gold                  
C. calcium                         
D. carbon
Answer: Option  c
 
6. The colour of outer edge of rainbow will be
A. violet                  
B. yellow                         
C. purple                     
D. red
Answer: Option  a
 
7. What is the principle of a thermopile?
A. Zeeman effect                
B. Seeback effect             
C. Peltier effect       
D. Crompton effect
Answer: Option  d
 
8. Raman effect is due to
A. dispersion of effect   
B. interference of light      
C. scattering of light    
D. total internal reflection
Answer: Option  c
 
9. The unit of the M.K.S. system is
A. Watt                 
B. Newton                        
C. Horse power                        
D. Pascal
Answer: Option  b
 
10. Microwaves are not generated by
A. travelling wave tube                
B. magnetron                
C. coolidge tube      
D. klystron
Answer: Option  c