Lunar eclipse occurs when...
  • sun;earth;moon come in a straight line
  • moon;sun;earth come in a straight line
  • pluto;earth;saturn come in a straight line
What are the 3 types of beams of light?
  • transparent, translucent,opaque
  • luminous, point source, artificial
  • parallel,divergent,convergent
What is the outer rim of the sun that is visible during an annular solar eclipse called as?
sc-5 sb-7-Light-grade 6img_no 234.jpg
  • penumbra
  • umbra
  • corona
On which principle does the pinhole camera work on?
  • calvinear propagation of light
  • rectilinear propagation of light
Choose the FALSE statement
  • a partial solar eclipse is seen when the part of the earth lies in the penumbra of the moon.
  • a partial solar eclipse is seen when the part of the earth lies in the umbra of the moon.
When was the longest solar eclipse of this century seen?
  • January 15, 2010
  • March 8, 2014
  • May 9, 2007
  • July 30, 2000
Solar eclipse occurs when...
  • earth;stars;moon comes in a straight line
  • sun;moon;earth comes in a straight line
  • Neptune;earth;sun comes in a straight line
Identify the image
sc-5 sb-7-Light-grade 6img_no 235.jpg
  • broken box with duct tape
  • pinhole camera
Example of a opaque object is
  • black box
  • butter paper
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