Home › NEET UG › Physics › Units and Measurement › Viewing a pencil with each eye in turn shows its…
Viewing a pencil with each eye in turn shows its position:
ASeems to shift
BStays quite fixed
CGrows much larger
DTurns much darker
Answer & Solution
Correct answer: A. Seems to shift
1. Each eye views the pencil from a slightly different place.
2. Against the wall behind, the two views differ.
3. So the position of the pencil seems to change.
_Source: NCERT Class 11 Physics Part I, Chapter 2, Units and Measurement._
Related questions
The unit of solid angle is defined using area over the radius:Which of these is a base quantity rather than a derived one?The reference standard used in measurement is chosen and:A unit used for atomic sized lengths is the:To find a planet's distance, it is observed from positions numbering:In the pencil example, the basis is the distance between the:The distance between the two points of observation is called the:Very large distances such as to a planet are measured by: