How will white and red flowers look through the blue glass and why? Answer: If you look at a white flower through a blue glass, the flower will appear blue. When the seven colours from the white flower fall on blue glass, the blue glass absorbs all colours except blue. Only blue colour will come […]
How will white and red flowers look through the blue glass and why? Read More »
If the light of a particular colour is passed through a prism, will it produce a spectrum after refraction? Answer: Sending light rays of a particular colour through a prism does not form a spectrum. Because prisms do not create colour. When the light of many colours falls on a prism, the prism separates the
What happens if the light of a particular colour is passed through a prism? Read More »
How will red flowers look in a blue-light room and why? Answer: A red flower will appear black in a room lit with blue light. Because red flowers only reflect red light, absorbing all other colours. Now when blue light falls on the red flower, the red flower absorbs the blue light but does not
How will red flowers look in a blue-light room and Why? Read More »
Answer: If there was no atmosphere, there would be no refraction of sunlight. Sunlight reaches our eyes directly. Looking up, the sun could be seen, but the rest of the sky looked black. Because no scattered light would reach our eyes from there.
What would the sky look like if there was no atmosphere? Read More »
Is the sky of the Moon blue? Answer: The sky of the Moon is not blue, but black. The Moon has no atmosphere. So sunlight is not deflected. That is, no scattered light from the lunar sky reaches the surface of the Moon. As a result, the sky appears black from the Moon.
Is Graphite a Metal or Nonmetal? Answer: Although graphite is a conductor of heat and electricity, it is a nonmetal because – Physical Properties: (i) Graphite is ductile and non-expansive.(ii) Striking graphite does not produce a metallic sound. Chemical Properties: (i) Graphite does not react with mild acids to produce salts and hydrogen.(ii) Oxide of
Is Mercury a Metal or Nonmetal? Answer: Although mercury is a liquid, it is a metal because—
Is Hydrogen a Metal or Nonmetal? Answer: Although hydrogen is an electropositive element, it is a nonmetal because—
Is sodium a Metal or Nonmetal? Answer: Although sodium is lighter than water, sodium is a metal, because—
Is Diamond a Metal or Nonmetal? Although diamond is shiny and hard, it is nonmetal because—
