Ask Deepanjali a questionLost your password? Please enter your email address. You will receive a link and will create a new password via email.
Ask Deepanjali a questionPlease briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Phase reversal takes place in case of reflection from
Answer: B. Rarer to denser medium Phase reversal takes place in case of reflection from rarer to denser medium.
Answer: B. Rarer to denser medium
See lessPhase reversal takes place in case of reflection from rarer to denser medium.
Rays associated with a plane wavefront are
Answer: C. Parallel Rays associated with a plane wavefront are parallel.
Answer: C. Parallel
See lessRays associated with a plane wavefront are parallel.
Normals to wavefront are called
Answer: D. Rays Normals to wavefront are called rays.
Answer: D. Rays
See lessNormals to wavefront are called rays.
Wavefront from a near point light source is
Answer: A. Spherical Wavefront from a near point light source is spherical.
Answer: A. Spherical
See lessWavefront from a near point light source is spherical.
When the light travels from glass to air, there will be no change in its:
Answer: B. Frequency When the light travels from glass to air, there will be no change in its frequency.
Answer: B. Frequency
See lessWhen the light travels from glass to air, there will be no change in its frequency.
The sign of power of convex lens is
Answer: B. Positive The sign of power of a convex lens is positive.
Answer: B. Positive
See lessThe sign of power of a convex lens is positive.
The power of glass slab is
Answer: C. Zero The power of glass slab is zero.
Answer: C. Zero
See lessThe power of glass slab is zero.
Huygen’s wave theory of light cannot explain:
Answer: D. Photoelectric effect Huygen's wave theory of light cannot explain photoelectric effect.
Answer: D. Photoelectric effect
See lessHuygen’s wave theory of light cannot explain photoelectric effect.
When monochromatic light travels from air to glass, then
Answer: C. Wavelength decrease When monochromatic light travels from air to glass, then wavelength decrease.
Answer: C. Wavelength decrease
See lessWhen monochromatic light travels from air to glass, then wavelength decrease.
A yellow flower if looked through red glass will look like:
Answer: A. Black A yellow flower is looked through red glass will look like black.
Answer: A. Black
See lessA yellow flower is looked through red glass will look like black.