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5. The values of Zi, Zr and Ze as measured by four students P, Q, R and S are tabulated below:
[CBSE Foreign 2012
Students P Q R S
Angles
Zi
30°
30°
30°
30°
Lr
16°
18°
20°
22°
Le
32°
31°
29°
31°
The student who performed the experiment most carefully:
(a) P
(c) R
(b) Q
(d) S

Answer :

Answer:

Option (C)

Explanation:

Student ⁠\(P\) performed the experiment most carefully.

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