1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The earth radiates in the infra-red region of the spectrum. The spectrum is correctly given by
A
Rayleigh Jeans law
B
Planck's law of radiation
C
Stefan's law of radiation
D
Wien's law
2
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.
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Infrared radiation is detected by
A
spectrometer
B
pyrometer
C
nanometer
D
photometer
4
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
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