1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
A child swinging on a swing in sitting position, stands up, then the time period of the swing will
A
increase
B
decrease
C
remains same
D
increases of the child is long and decreases if the child is short
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
length of a string tied to two rigid supports is $$40$$ $$cm$$. Maximum length (wavelength in $$cm$$) of a stationary wave produced on it is
A
$$20$$
B
$$80$$
C
$$40$$
D
$$120$$
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
A tuning fork arrangement (pair) produces $$4$$ beats/sec with one fork of frequency $$288$$ $$cps.$$ A little wax is placed on the unknown fork and it then produces $$2$$ beats/sec. The frequency of the unknown fork is
A
$$286$$ $$cps$$
B
$$292$$ $$cps$$
C
$$294$$ $$cps$$
D
$$288$$ $$cps$$
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Tube $$A$$ has bolt ends open while tube $$B$$ has one end closed, otherwise they are identical. The ratio of fundamental frequency of tube $$A$$ and $$B$$ is
A
$$1:2$$
B
$$1:4$$
C
$$2:1$$
D
$$4:1$$
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