NSO Class 11 Mock Test 2026 – Set 2

Sample 1, Logical Reasoning

A body moves along a circular path of radius R. What is the displacement of the body when it covers three-fourths of the circular path?

1. A. 3πR/2
2. B. 2R
3. C. R√2
4. D. Zero

Sample 2, Physics

A wire of length $L$ and cross-sectional area $A$ is made of a material of Young's modulus $Y$. If the wire is stretched by an amount $x$, the work done in stretching the wire is:

1. A. $\frac{Y A x^2}{2 L}$
2. B. $\frac{Y A x^2}{L}$
3. C. $\frac{Y A x}{2 L}$
4. D. $\frac{2 Y A x^2}{L}$

Sample 3, Chemistry

Identify the species that is iso-electronic with Carbon Monoxide (CO).

1. A. N2
2. B. O2
3. C. NO
4. D. CN+