1
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two wires of same material of radius 'r' and '2r' respectively are welded together end to end. The combination is then used as a sonometer wire under tension 'T'. The joint is kept midway between the two bridges. The ratio of the number of loops formed in the wires such that the joint is a node is

A
1 : 5
B
1 : 2
C
1 : 4
D
1 : 3
2
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The frequency of a tuning fork is 'n' Hz and velocity of sound in air is 'V' m/s. When the tuning fork completes 'x' vibrations, the distance travelled by the wave is

A
$$\mathrm{\frac{V}{xn}}$$
B
$$\mathrm{\frac{Vn}{x}}$$
C
$$\mathrm{\frac{xV}{n}}$$
D
$$\mathrm{\frac{x}{Vn}}$$
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