Home
Class 9
PHYSICS
Assertion (A): Food can be cooked faster...

Assertion (A): Food can be cooked faster in copper bottom vessels
Reason (R): Copper is the best conductor of heat.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false

D

If assertion is false but reason is true

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • HEAT

    FULL MARKS|Exercise Exercise (Answer briefly )|8 Videos
  • HEAT

    FULL MARKS|Exercise Exercise (Answer in detail )|3 Videos
  • HEAT

    FULL MARKS|Exercise Exercise (Fill in the blanks.)|4 Videos
  • FLUIDS

    FULL MARKS|Exercise Activity|1 Videos
  • LIGHT

    FULL MARKS|Exercise ACTIVITY|4 Videos

Similar Questions

Explore conceptually related problems

Assertion(A): Copper Sulphate can be stored in a Zinc vessel. Reason (R): Zinc is less reactive than Copper.

Assertion(A):It is very easy for our body to reccive electric shock.Reason(R): Human body is a good conductor of electrickty.

Knowledge Check

  • Assertion (A) : Copper sulphate can be stored in a Zinc vessel. Reason (R) : Zinc is less reactive than Copper.

    A
    Both A and R are correct
    B
    Both A and R are wrong
    C
    A is correct but R is wrong
    D
    A is wrong but R is correct
  • Assertion : Copper is extensively used in manufacture of electric cables Reason : Copper is a very poor conductor of heat and electricity .

    A
    Both Assertion and Reason are ture and Reason is correct explanation of Assertion.
    B
    Both Assertion and Reason are true but Reason is ot the correct explanation of Assertion.
    C
    Assertion is true but Reason is false.
    D
    Assertion is false but reason is true.
  • Assertion : NA uncleaned copper vessel is covered with greenish layer. Reason : Copper is not attacked by alkali.

    A
    A and R are correct , R explain the A .
    B
    A is correct, R is correct
    C
    A is wrong R is correct .
    D
    A and R are correct , R doesn't explain A .
  • Similar Questions

    Explore conceptually related problems

    Assertion : An uncleaned copper vessel is covered with greenish layer. Reason : Copper is not attacked by alkali

    Assertion (A) : Vitamin D can be stored in our body. Reason (R) : Vitamin D is fat soluble vitamin.

    Assertion : Copper sulphate can be kept in a zinc vessel Reason : The position of copper is higher than zinc in the electro chemical series

    Assertion : An uncleaned copper vessel is covered with greenish layer. Reason: Copper is not attacked by alkali.

    Assertion (A) : Aqueous copper sulphate is a binary solution. Reason (R) : Copper sulphate solution contains two components i.e., one solute - copper sulphate and one solvent - water.