1.
a.
C.
Give short answer to the following questions
The gravitational force betwee...
1.
a.
C.
Give short answer to the following questions
The gravitational force between two unit masses which are separated by a unit distance is
1
called universal gravitational constant.
b.
Pascal's law of liquid pressure states that if pressure is applied at a point in a closed container
1
having liquid it transmits pressure equally in all directions.
There are two types of energy soures:
(i) Renewable soruces of energy.
0.5
(ii) Non-renewable sources of energy.
0.5
d. The defect of vision in which a person can see the nearby objects clearly but cannot see the
distant object clearly is called myopia. The image of the distant object is formed in front of
the retina.
1
1 kilowatt-hour of electrical energy is the work done by the current at the rate of 1000
joules per second for an hour.
1
e.​
Answers: 2
Physics, 21.06.2019 19:30
Abody of weight 60 kg is standing in a lift the lift going upward with a uniform velocity of 4.9 metre per second slows down and stops in two seconds then apparent weight of the body during the slow down process is
Answers: 2
Physics, 21.06.2019 22:30
Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.
Answers: 1
Physics, 22.06.2019 05:40
An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2
Answers: 1
Physics, 22.06.2019 07:30
The slope of a velocity time graph over any interval of time gives the during that interval
Answers: 1
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