Question Pool Vision and Colour of Light

Vision and Colour of Light - SAMAGRA Question Pool & Answers | Class 10 English Medium

Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 10 English Medium Physics Vision and Colour of Light

BrainsPrep Logo


Qn 1.

Why concave lens always create virtual and erect image of the object.?

  • Answer)

    In this case refracted Ray do not actually intersect to each other. It appears to intersect the images formed the same side of the

    Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 2.

what is the value of near point distance of a healthy person

(10 cm, 50 cm, 100 cm, 25 cm)

  • Answer)

    25 cm

    Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 3.

Name the phenomenon that causes tyndall effect

(reflection, refraction, scattering, dispersion)

  • Answer)

    scattering

    Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 4.

Scattering of light by minute particles is called ------------

( scattering, dispersion, reflection, refraction)

  • Answer)

    scattering

    Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 5.
The defect of the eye that Far point drops from infinity to a fixed distance is called
(pressbiopia, Longsight, Shortsight)
  • Answer)

    Shortsight

    Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 6.

Which among the following is the most scattered color of light ?

(red, blue, violet, green)

  • Answer)

    Violet

    Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 7.

Name the eye defect that can be corrected with a concave lens

( Longsight, shortsight, pressbiopia)

  • Answer)

    Shortsight

    Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 8.

The unit of power of a lens?

(Meter, Diopter, Watt, Newton)

  • Answer)

    Diopter

    Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 9.

The vehicle's tail lamps and signal lamps are red.

  1. Which is the longest wavelength in the spectrum of white light?
  2. How the wavelength and scattering of colors are related.
  3. Why are the signal lamps red?
  • Answer)
    a) Red
    b) The dispersion decreases as the
    Download App and View Complete Answer for FREE
    
        


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 10.

International Dark Skyweek is celebrated during the week of the new moon 
in April

  1. What is the message of celebrating like this?
  2. Suggest two ways to reduce light pollution
  • Answer)
    1. Awareness of environmental issues that cause light pollution
    2. Reduce overuse of light
      Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 11.
The rainbow can be seen circular from high-flying aircraft. 
Why can't you see it from the floor?
  • Answer)
    From the floor, it is impossible to see 42.70 down
    from the line of sight.
    Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 12.

A child sees a rainbow in the evening.

  1. In what direction would the rainbow appear?
  2. What color is the color on the outside of the rainbow?
  • Answer)
    1. East
      Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Qn 13.
Find the right statements related to dispersion of 
light through the prism? a) the color of light with greater wavelength is
deviated more b) the color of light with shorter wavelength is
deviated more. c) color of light with longer wavelength
is deviated less d) color of light with shorter wavelength
is deviated less
  • Answer)

    b &

    Download App and View Complete Answer for FREE


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition


BrainsPrep Logo
Class 10 English Medium SAMAGRA Question Pool Click here
Class 10 - Malayalam Medium SAMAGRA Question Pool Click here
Class 9 English Medium SAMAGRA Question Pool Click here
Class 11 SAMAGRA Question Pool Click here
Class 12 SAMAGRA Question Pool Click here


Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Tuition


Responsive image Google Play   Responsive image Facebook