The appearance of bend in pencil is due to -----------------

• refraction of light ray

• reflection of light ray

• dispersion

The bending of light ray is called -----------

• reflection

• refraction

Tags

NGSS.MS-PS4-2

The measure of change in speed of light as it travels from one medium to another is called -----------

• reflective index

• refractive index

Sin i/ sin r= constant this law is also called as?

• newtons law

• refraction law 3

• snells law

• gravitational law

What does Snell's Law describe?

• The relationship between the angles of incidence and refraction

• The relationship between the speed of light and sound

• The relationship between the mass and energy

• The relationship between the force and acceleration

Which formula represents Snell's Law?

• Refractive index

• Speed of light

• Angle of incidence

• Wavelength

If light passes from air (n=1.0) into water (n=1.33), what happens to the speed of light?

• It decreases

• It increases

• It remains the same

• It becomes zero

Tags

NGSS.MS-PS4-2

Which of the following is a real-world application of Snell's Law?

• Designing lenses for glasses

• Calculating gravitational force

• Measuring electric current

• Determining chemical reactions

Tags

NGSS.HS-PS4-3

What happens to the angle of refraction if the angle of incidence increases, according to Snell's Law?

• It increases

• It decreases

• It remains constant

• It becomes zero