Class 11 · Physics
Units and Measurements
NEET questions.
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150 verified questions · NCERT chapter mapped · automatic error log
PhysicsPlate 27
NeetVellum atlas · fig. physics
27
Question preview
Three examples from the live 150-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 3/5
In an experiment, the percentage errors in measuring the mass m and the speed v of a body are 2% and 3% respectively. If the kinetic energy is calculated as K = ½ m v², the maximum percentage error in K is:
- A. 5%
- B. 10%
- C. 11%
- D. 8%
Example 2 · difficulty 2/5
The length and breadth of a rectangular plate are measured as 12.4 cm and 3.6 cm using a metre scale. Reported to the correct number of significant figures, the area of the plate is:
- A. 44.64 cm²
- B. 44.6 cm²
- C. 45 cm²
- D. 44 cm²
Example 3 · difficulty 3/5
Work has the dimensional equation M L² T⁻². A work of 10 joule, when converted into the cgs unit erg using dimensional analysis, equals:
- A. 10⁸ erg
- B. 10⁷ erg
- C. 10⁶ erg
- D. 10⁹ erg
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many Units and Measurements NEET questions are available?
NeetVellum publishes 150 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise Units and Measurements for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.