Question

Assertion and Reasoning based questions:
Select the option that best describes the two statements:
1 )If both Assertion and Reason are correct and reason is the correct explanation of assertion.
2) If both assertion and Reason are correct but reason is not the correct explanation of assertion.
3) If assertion is correct but reason is incorrect.
4) If reason is incorrect but assertion is correct.
a)Assertion: Virtual images cannot be seen by human eye.
Reason: Virtual image is formed by diverging rays.
b)Assertion:When we see an object ,the image on retina is real and inverted.
Reason: Inverted image is upside down.
c) Assertion: Rainbow formation is an example of dispersion.
Reason: White light passes through rain drops which act as prisms and spectrum is formed.
d) Assertion: Paper cup with water will catch fire quickly than an empty cup.
Reason: Ignition temperature of paper cup will not be achieved due to water whereas empty paper cup has low ignition temperature.
e) Assertion: Respiration can be called combustion.
Reason: Very little amount of heat is generated when iron reacts with oxygen.

Answer 1

Answer:

a) both a and r true b) both a and r ture but r is not correct explination of a