refraction and optics

refraction is waves bending because of

• edges of a slit or thin object

• speed of wave changes

• dark matter

• gravity

Tags

NGSS.MS-PS4-2

which type of lens

• opaque

• convex

• concave

• plano

Tags

NGSS.MS-PS4-2

a convex lens does what to rays

• diverges

• converges

• implodes

• merges

We shine a laser light from air into a diamond at a 25^o angle. What angle does it make in the diamond? (n₁sinΘ₁=n₂sinΘ₂)

• 0.4132

• 10.057

• .4226

• 17.46

Tags

NGSS.HS-PS4-3

We can see objects because of_______

• reflection
• refraction
• transmission
• diffraction

Tags

NGSS.MS-PS4-2

The velocity of light in vacuum is _______ m/s

• 3x10⁸
• 3x10¹²
• 3x10⁶
• 3x10¹⁰

Tags

NGSS.HS-PS4-1

How does light behave as it enters these mediums?

• continue its path as straight line.
• bends toward the normal
• bends away from the normal
• reflects

Absolute refractive index of any medium is always _______.

• less than 1
• greater than 1
• 1
• 0

The formula to calculate the refractive index is

• n=cv
• n=v/c
• n=c/v
• v=nc

Tags

NGSS.HS-PS4-1

According to the Law of reflection, a light ray striking a mirror

• continues moving through the mirror in the same direction
• moves into the mirror at a slightly different angle
• bounces off the mirror toward the direction it came from
• bounces off the mirror at the same angle it hits.