Study

Lets Move it and Light it up!

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  • Identify and define the motion of the car
    Uniform motion: A moving body travels equal distances in equal intervals of time is said to move in uniform motion
  • Define the term represented by A
    Incident ray: the ray of light which strikes the reflecting surface is called the incident ray
  • Identify and define the term represented by B
    angle of reflection: the angle between the reflected ray and the normal
  • Read the table and answer: On which planet will your weight be the most? Why?
    On Jupiter as the gravitational pull is the most.
  • Read the table and answer: On which planet will your mass be the most? Why?
    Mass will be the same on all the planets as mass remains almost constant
  • Read the table and answer: On which planet will my weight be the least? Why?
    On Mercury, because the value of g is the least (Pluto and Moon are not planets)
  • Which car (A or B) is moving with non uniform motion? Why?
    Car B is moving with non uniform motion because it is travelling unequal distances in equal amounts of time
  • Observe the image carefully and answer: calculate the angle of incidence
    40 degrees
  • Identify the motion of a bee flying in search of nectar
    random motion
  • Does a light ray reflecting from a rough surface obey laws of reflection?
    Yes. Laws of reflection are obeyed by all the light rays.