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

If $$\alpha,\beta,\gamma \in[0,\pi]$$ and if $$\alpha,\beta,\gamma$$ are in AP, then $${{\sin \alpha - \sin \gamma } \over {\cos \gamma - \cos \alpha }}$$ is equal to

A
sin $$\beta$$
B
cos $$\beta$$
C
cot $$\beta$$
D
2 cos $$\beta$$
2
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

The stopping potential (V0) versus frequency $$\nu $$ of a graph for photoelectric effect in a metal. From the graph, the Plank's constant (h) is

BITSAT 2022 Physics - Dual Nature of Radiation Question 4 English

A
6.60 $$\times$$ 10$$-$$34 J-s
B
6.69 $$\times$$ 10$$-$$34 J-s
C
6.62 $$\times$$ 10$$-$$34 J-s
D
6.63 $$\times$$ 10$$-$$34 J-s
3
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

In a resonance coloum first and second resonance are obtained at depths 24 cm and 78 cm the third resonance will be obtained at depth.

A
160 m
B
132 m
C
131 m
D
152 m
4
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

A submarine A travelling at 17 m/s is being chased along the line of its velocity by another submarine B travelling at 34 m/s. B sends a sonar signal of 600 Hz to detect A and receives a reflected sound of frequency $$\nu$$. The of $$\nu$$ is

[Speed of sound in water = 1500 ms$$-$$1]

A
613.7 Hz
B
6137 Hz
C
62 Hz
D
539 Hz
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