.::VULMSIT::.eNoxel PHY101 Quiz 1

Assalam O ALaikum !!

Quiz Start Time: 11:18 PM    
Time Left     88
sec(s)    
Question # 1 of 5 ( Start time: 11:18:49 PM )     Total Marks: 1
A water bed that is 1.5 m wide and 2.5 m long weighs 1055 N. Assuming the entire lower surface of the bed is in contact with the floor, what is the pressure the bed exerts on the floor?
Select correct option:
    250 Pa
    260 Pa
    270 Pa
    280 Pa


Quiz Start Time: 11:18 PM    
Time Left     88
sec(s)    
Question # 2 of 5 ( Start time: 11:20:01 PM )     Total Marks: 1
The physical quantity, which oscillates in most waves, is
Select correct option:
    mass
    energy
    amplitude
    wavelength


Quiz Start Time: 11:18 PM    
Time Left     88
sec(s)    
Question # 3 of 5 ( Start time: 11:21:00 PM )     Total Marks: 1
A particle, held by a string whose other end is attached to a fixed point C, moves in a circle on a horizontal frictionless surface. If the string is cut, the angular momentum of the particle about the point C:
Select correct option:
    Changes direction but not magnitude
    Increases
    Does not change
    Decreases



Quiz Start Time: 11:18 PM    
Time Left     87
sec(s)    
Question # 4 of 5 ( Start time: 11:22:13 PM )     Total Marks: 1
For an ideal fluid flowing through a horizontal pipe, Bernoulli's equation states that the sum of the pressure and energy per unit volume along the pipe does which of the following? (Assume measurements are taken along the pipe in the direction of fluid flow.)
Select correct option:
    increases as the pipe diameter increases
    decreases as the pipe diameter increases
    remains constant as the pipe diameter increases
    increases, then decreases as the pipe diameter increases


Quiz Start Time: 11:18 PM    
Time Left     87
sec(s)    
Question # 5 of 5 ( Start time: 11:23:43 PM )     Total Marks: 1
As the wavelength of a wave in a uniform medium increases, its speed will _____.
Select correct option:
    Decrease
    Increase
    Remain the same
    None of these



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