Physical world Units & Measurements

1. Einstein was awarded Nobel prize for 

• Theory of relativity       

• Photoelectric effect   

  
  

• General theory of relativity 

• None of the above

1. An Indian physicist who received Nobel Prize is 

• H.J Bhabha  

• M.N Saha

• C.V. Raman

• sir J.C Bose. 

1. Who gave the quantum model of atom 

• Rutherford        

• Bohr   

• Newton  

• Faraday  

  
  

1. The photoelectric effect was discovered by

• Einstein  

• Hertz  

• Halwachhs   

• Millikan

  
  

1. faraday is the unit of 

•  charge  

• emf    

• mass   

•  energy         

1. hertz is the unit of  

• Frequency 

• Charge      

•  Mass                 

  
  

• time

1 newton equal to    

• 10 5 erg  

• 10 5 dyne          

• 10 -5 dyne

• 10 5 Kg     

1. The physical quantity of angular momentum has the same dimensions as that of 

• work   

• force             

  
  

• momentum          

  
  

•           Planck’s constant

  
  

1. Dimensions of self- inductance are 

• MLT-2 A-3     

• ML2T-1 A-2          

•  ML2T-2A-2  

• ML2T-2 A-1

  
  

1. Dimensional formula of Stefan’s constant is 

• MT-3 K-4 

• ML2T-2K-4   

• ML2T-2                  

• MT-2L0