1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Imagine a new planet having the same density as that of the earth, but it is two times bigger than the earth in size. If the acceleration due to gravity on the surface of the earth is $g$ and that on the surface of the new planet is $g'$, then
A
$g' = \dfrac{g}{4}$
B
$g' = 8g$
C
$g' = 2g$
D
$g' = 4g$
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
There are two wires of same material and same length while the diameter of second wire is two times the diameter of the first wire. Then the ratio of extensions produced in the wires by applying same load will be
A
$1:1$
B
$1:2$
C
$2:1$
D
$4:1$
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
A 30 cm long capillary tube is dipped in water, water rises upto a height of $10$ cm due to capillarity. If this experiment is conducted in a freely falling water in an elevator, then the length of the water column becomes
A
$10$ cm
B
$20$ cm
C
$30$ cm
D
Zero
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Instrument fitted in the carburetor of the automobile to provide the correct mixture of air and fuel necessary for combustion works on
A
Pascal's Law
B
Bernoulli's Principle
C
Newton's Law of Cooling
D
Archimede's Principle