PHYSICS MULTIPLE CHOICE QUESTIONS SET 15

PHYSICS 

MULTIPLE CHOICE QUESTIONS SET 15

1. Elements having different atomic number but same atomic weight are called
A. isomers                   

B. isotones                         

C. isotopes                           

D. isobars
Answer: Option  d
 

2. The average rate of heart beat is normal human being
A. 72                         

B. 70                               

C. 68                            

D. 92
Answer: Option  a
 

3. The gas used to fill the balloons other than hydrogen
A. helium                       

B. carbon dioxide                    

C. oxygen                     

D. hydrogen sulphide
Answer: Option  a
 

4. Which one of the following properties of a liquid does not effect its rate of evaporation?
A. surface area                      

B. volume                    

C. boiling point           

D. temperature
Answer: Option  b
 

5. The carbon filament is invented by
A. Volt                       

B. Ampere                      

C. Newton                  

D. Edison
Answer: Option  d
 

6. Mirage observed on a road on hot days is in consequence of
A. reflection of light         

B. polarization               

C. refraction of light      

D. diffraction of light
Answer: Option  b
 

7. Electron–volt is a unit to measure
A. charge                   

B. momentum             

C. energy                

D. voltage
Answer: Option  c
 

8. A bob executes simple harmonic motion which value is maximum when the bob is in the mean position?
A. velocity              

B. time period                   

C. amplitude            

D. mass of the particle
Answer: Option  d
 

9. One unit of electrical energy consumption is
A. 100 watt per hour        

B. 500 watt per hour      

C. 1000 watt per hour   

D. 1200 watt per hour
Answer: Option  c
 

10.  Sea water is converted into potable water by
A. filtration            

B. reverse osmosis          

C. electrolysis           

D. primary treatment
Answer: Option  b