Physics Practice: Measurements & Experimentation (Mock Test 2 - Intermediate)
1. The volume of an irregular solid is determined by the displacement of liquid because:
2. Which of the following is the most accurate instrument for measuring the diameter of a thin needle?
3. A simple pendulum has a time period $T$. If the acceleration due to gravity $g$ increases, the time period $T$ will:
4. The least count of a Vernier Callipers is $0.1 \text{ mm}$. This is equal to:
5. One Astronomical Unit (AU) is defined as the mean distance between:
6. If a screw gauge makes two full rotations to move the spindle by $1 \text{ mm}$, its pitch is:
7. The significant figures in the measurement $2.040 \text{ cm}$ are:
8. A Seconds Pendulum has a frequency of ________ Hz.
9. $1 \text{ Micro-second}$ is equal to:
10. To avoid parallax error while reading a scale, the line of sight must be ________ to the scale.
11. If the length of a simple pendulum is increased $9$ times, its time period becomes:
12. A Vernier callipers has a zero error of $+0.02 \text{ cm}$. If the observed reading is $3.54 \text{ cm}$, the correct reading is:
13. Which of the following is a derived unit?
14. $1 \text{ nanometre}$ is equivalent to:
15. The "Pitch" of a screw gauge refers to:
16. The period of oscillation of a simple pendulum does not depend on ________.
17. $1 \text{ mean solar day}$ consists of ________ seconds.
18. Negative zero error of a Vernier callipers is ________ to the observed reading.
19. In $1 \text{ Parsec}$, there are approximately ________ Light Years.
20. The least count of a measuring instrument determines its ________.