The principle behind the pin hole camera is

• Curvilinear propagation of light

• Rectilinear propagation of light

• Image

• shadow

Which letters of English alphabet will not show lateral inversion?

• I,O,U

• N,Z,X

• I,X,E

• A,E,I

Bouncing back of light from shining surfaces is called

• Dispersion

• Refraction

• Reflection

• Total internal reflection

Tags

NGSS.4-PS4-2

When an object moves closer to a light source, its shadow...

• Gets smaller

• Gets bigger

• Changes shape

• Stays the same size

Tags

NGSS.4-PS4-2

NGSS.5-ESS1-2

Where will the tree's shadow be?

• A

• B

• C

Tags

NGSS.5-ESS1-2

We can see things around us because of light reflecting off the object and into our eyes?

• True

• False

Tags

NGSS.4-PS4-2

Which will make the darkest shadow? Light shining on a...

• sheet of thin tissue paper
• glass window  
• wooden chopping board  
• none of the above

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

What is the best explanation for Mickey seeing himself in the mirror?

• refraction

• absorbed

• reflection

• flipped

Tags

CCSS.RI.5.7

CCSS.RI.6.7

CCSS.RI.7.7

CCSS.RL.6.7

CCSS.RL.7.7

Why does the cat form a shadow?

• It reflects light

• It blocks light

Tags

NGSS.4-PS4-2

Image formed in a pinhole camera is

• erect

• inverted

• parallel

• none of these

Tags

NGSS.4-PS4-2