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#1. What is the CGS unit of gravitational potential?

#2. All the planets move in _ orbits around the sun.

#3. Gravitational potential energy is _

#4. The value of universal gravitational constant G was determined experimentally by ____ .

#5. Which of the following particles is the carrier of gravitational interaction?

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Gravity Quiz Explanations

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  1. SI unit of gravitational potential is joule/kg.
    So, its CGS unit is erg/gram.
  2. All the planets move in elliptical orbits with
    the sun situated at one of the foci of the ellipse,
    according to Kepler’s 1st law of planetory
    motion (law of orbits).
  3. The product of gravitational potential and
    mass of the body gives gravitational potential
    energy.
  4. The value of G was given by scientist Henry
    Cavendish in 1798.
  5. Graviton is the hypothetical particle that is
    supposed to be mediating the gravitational
    interaction, which is the weakest interaction of
    all the four fundamental forces.

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Gravitation Quiz and answers

  1. What is the CGS unit of gravitational
    potential?
    a. dyne/ gram
    b. erg/ gram ()
    c. erg/ cm
    d. dyne.cm.gram

2. All the planets move in _ orbits around
the sun.
a. parabolic
b. circular
c. hyperbolic
d. none of the above ()

  1. Gravitational potential energy is _
    a. gravitational potential X mass of the body
    ()
    b. gravitational potential X radius of the body
    c. gravitational potential/ mass of the body
    d. none of the above
  2. The value of universal gravitational constant
    G was determined experimentally by
    __ .
    a. Isaac Newton
    b. Galileo Galilei
    c. Henry Cavendish ()
    d. Johannes Kepler
  3. Which of the following particles is the carrier
    of gravitational interaction?
    a. gluon
    b. muon
    c. higgs boson
    d. none of the above ()
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