1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
If mass-energy equivalence is taken into account, when water is cooled to form ice, the mass of water should
A
increase
B
remain unchanged
C
decrease
D
first increase then decrease
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Heat given to a body which raises its temperature by $${1^ \circ }C$$ is
A
water equivalent
B
thermal capacity
C
specific heat
D
temperature gradient
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is more close to a black body?
A
black board paint
B
green leaves
C
black holes
D
red roses
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which statement is incorrect?
A
all reversible cycles have same efficiency
B
reversible cycle has more efficiency than an irreversible one
C
Cannot cycle is a reversible one
D
Cannot cycle has the maximum efficiency in all cycles.

JEE Main Subjects

Browse all chapters by subject