Advertisements
Advertisements
प्रश्न
Consider the statement given below and choose the correct option.
Assertion: Sharp knives are used to cut the vegetables.
Reason: Sharp edges exert more pressure.
विकल्प
Both assertion and reason are true and the reason is the correct explanation of assertion.
Both assertion and reason are true, but the reason is not the correct explanation of assertion.
Assertion is true, but reason is false.
Both assertion and reason are false.
Advertisements
उत्तर
Both assertion and reason are true and the reason is the correct explanation of the assertion
APPEARS IN
संबंधित प्रश्न
In problem 10.9, if 15.0 cm of water and spirit each are further poured into the respective arms of the tube, what is the difference in the levels of mercury in the two arms? (Specific gravity of mercury = 13.6)
The unit of thrust is
A gum bottle rests on its base. If it is placed upside down, how does the thrust change?
A gum bottle rests on its base. If it is placed upside down, how does the pressure change?
If someone presses a pointed needle against your skin, you are hurt. But if someone presses a rod against your skin with the same force, you easily tolerate. Explain.
An air bubble of radius 0.2 mm is situated just below the water surface. Calculate the gauge pressure. Surface tension of water = 7.2 × 10−2 N/m.
A drinking straw works on the existence of ______.
A brick is kept in three different ways on a table as shown in the following figure. The pressure exerted by the brick on the table will be
 |
 |
 |
| A | B | C |
Cooking in a place located at a higher altitude is difficult. Why?
Give reasons why:
heavy trucks are fitted with 6 to 8 wheels
