1
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
$4:1$
2
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
3
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
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Following are statements of a few processes taking place in nature.
I. Free expansion of a gas
II. The combustion of a mixture of petrol and air ignited by a spark
III. The leaking of gas from the kitchen cylinder.
IV. The transfer of heat from one heated part of a liquid to the other colder part.
Which amongst these processes are irreversible in nature?
A
I and II
B
I and III
C
II, III and IV
D
I, II, III and IV