Physics 1st Paper MCQ-Jessore Board-2021

1. Which of the following graph indicates the change of acceleration with displacement of the object vibrating is simple harmonic motion?

2. Which of the following vectors having same initial point and final point?

3. If the displacement of two oscillatory particles are respectively $x=A$ sin$\omega$t and and $x$ - Acos$\omega$t then the phase difference between them will be -

4. If $\vec{A}=9 \hat{i}$ and $\vec{B}=\frac{1}{9} \hat{i}$ then two vectors are-

i. like vector

ii. opposite vector

iii. perpendicular to each other

Which one is correct?

5. In which triangle vector $\overrightarrow{\mathrm{Z}}$ indicates both magnitude and direction of vector $(\vec{X}-\vec{Y})$ ?