1
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

Transverse waves of the same frequency are generated in two steel wires A and B. The diameter of A is twice that of B and the tension in A is half that in B. The ratio of the velocities of the waves in A and B is

A
1 : 2
B
1 : $$\sqrt2$$
C
1 : 2$$\sqrt2$$
D
3 : 2$$\sqrt2$$
2
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

In the diagram shown below, both the strings AB and CD are made of same material and have same cross-section. The pulleys are light and fictionless. If the speed of wave in string AB is v1 and in CD is v2, then $${{{v_1}} \over {{v_2}}}$$ is

BITSAT 2022 Physics - Waves Question 4 English

A
1
B
$$\sqrt2$$
C
2
D
1$$\sqrt2$$
3
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

What will be the acceleration due to gravity at a depth d, where g is acceleration due to gravity on the surface of earth?

A
$${g \over {{{\left[ {1 + {d \over R}} \right]}^2}}}$$
B
$$g\left[ {1 - {{2d} \over R}} \right]$$
C
$${g \over {{{\left[ {1 - {d \over R}} \right]}^2}}}$$
D
$$g\left[ {1 - {d \over R}} \right]$$
4
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

A direct current of 6 A is superimposed on an alternating current I = 10 sin $$\omega$$t flowing through a wire. The effective value of the resulting current will be

A
5$$\sqrt2$$
B
5$$\sqrt3$$
C
9.27
D
8.37
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