When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________?

Related Mcqs:

1. When a person enters a dark room from bright light he is not able to see clearly for a little while because the?

   A. Eye is unable to adjust itself immediately B. Retina becomes insensitive momentarily C. Iris is unable to dilate the pupil immediately D. Distance between the lens and retina take time to adjust...

2. As comets get close to the sun, they start to “melt” and release gas and dust. This gas and dust forms what?

   A. “coma” around the comet’s nucleus and a long tail that points away from the sun B. “coma” that points away from the sun and a long tail around the comet’s nucleus C. Only “coma” around the comet’s nucleus D. Only a long tail that points away from the sun Submitted by: Muhammad Abdullah...

3. An optical instrument which is used measure the properties of visible light is called?

   A. Microscope B. Telescope C. Spectroscope D. Oscilloscope Submitted by: Hussain Ahmed...

4. Chromosomes first become visible during which phases of mitosis:

   A. Prometaphase B. Telophase C. Prophase  D. Metaphase Submitted by: Sami Khan...

5. A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls _________?

   A. behind him B. in front of him C. into his hand D. by his side Submitted by: Malik Asghar Hussain...

6. Who said that light is made of corpuscles/particles?

   A. Maxwell B. Einstein B. Newton D. Huygein Submitted by: Munwar Ali Sohu...

7. Halley’s Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, appearing every 72–80 years. It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-_________?

   A. 2065 B. 2061 C. 2040 D. None of These Submitted by: Jinjh Ghulam qadir...

8. Rainbow is seen after rain because of hanging molecules of water which act as __________?

   A. Lens B. Prism C. Mirror D. Slabs Submitted by: Abid Hussain...

9. The Time taken for sunlight to reach the Earth is___________?

   A. 700 sec B. 8hrs 20 mins C. 8 mins 20 sec D. 8 mins Submitted by: Anand Hanjhro...

10. Which vitamin is primarily produced in the skin in response to sunlight?

    A. Vitamin A B. Vitamin C C. Vitamin D D. Vitamin K Submitted by: Nida Usman...