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Distance... - Class 12 PDF Download

The distance of the point (2, 3, – 5) from the plane x + 2y – 2z = 9 is:​
  • a)
    2 units
  • b)
    3/2 units
  • c)
    3 units
  • d)
    10/3 units
Correct answer is option 'C'. Can you explain this answer?

Ref: https://edurev.in/question/541581/The-distance-of-the-point-2-3-5-from-the-plane-x-2y-2z-9-isa-2-unitsb-32-unitsc-3-unitsd-103-uni


Imageuse the frmula...i hv done this...hv a look at it...u wiill get the answer..distance will be 3 unitss...





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FAQs on Distance... - Class 12

1. What is the concept of distance in physics?
Ans. In physics, distance refers to the measurement of the interval between two points in space. It is a scalar quantity that only considers the magnitude of the interval and does not take into account the direction of motion.
2. How is distance different from displacement?
Ans. Distance and displacement are two different concepts in physics. While distance refers to the total path covered, displacement refers to the change in position of an object in a particular direction. Displacement is a vector quantity that considers both magnitude and direction, whereas distance is a scalar quantity.
3. What are the different units used to measure distance?
Ans. Distance can be measured using various units depending on the system of measurement. In the International System of Units (SI), the most common unit used for distance is meters (m). Other units include kilometers (km), centimeters (cm), and millimeters (mm). In the imperial system, distance can be measured in feet (ft), inches (in), or miles (mi).
4. How is distance related to time in physics?
Ans. In physics, distance and time are related through the concept of speed. Speed is defined as the distance traveled per unit of time. The formula to calculate speed is speed = distance/time. Therefore, the greater the distance covered in a given time, the higher the speed.
5. Can distance be negative?
Ans. No, distance cannot be negative. Distance is a scalar quantity that only considers the magnitude of the interval between two points. It is always positive or zero. Displacement, on the other hand, can be negative as it takes into account the direction of motion.
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