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1. M live on 6th floor. 2. A lives immediately below M. 
3. Only two persons live between M and B. 4. E live above B but not at the topmost floor. 
Note: E live on 7th floor not on 4th floor because no two persons according to alphabetical order live adjacent to each other. 5. Only one person sit between Z and B. 6. N live either 2nd or 7th floor. 
F cannot sit on topmost floor because no two persons according to alphabetical order live adjacent to each other 
The Pointing vector of electromagnetic waves has the same dimensions as that of:
The part of the eye having the largest refractive index is -
The pitch of a sound is primarily determined by which of the following?
What type of lens is used to correct myopia (nearsightedness)?
The intensity of any wave is proportional to which quantity?
In an n-type silicon, which of the following statements is true:
Which of the following phenomena establishes the transverse nature of light waves?
When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance?
In the equation of motion (2as = v² - u²), (s) represents:
Ball pen functions on the principle of :
