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If initially David is 4 meters far from the mirror, he moves 1 meter towards a plane mirror, the distance between David and his image will be:
  • a)
    3 meters
  • b)
    5 meters
  • c)
    6 meters
  • d)
    8 meters
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
If initially David is 4 meters far from the mirror, he moves 1 meter t...
Understanding the Scenario
David starts 4 meters away from a plane mirror. When he moves 1 meter towards the mirror, we need to determine the distance between David and his image.

Initial Position
- David's initial distance from the mirror: **4 meters**
- When David looks into the mirror, his image appears **4 meters behind the mirror**. Thus, the total distance from David to his image initially is:
- **Total distance = Distance to mirror + Distance behind mirror**
- **Total distance = 4 meters + 4 meters = 8 meters**

Movement Towards the Mirror
- David moves **1 meter closer** to the mirror:
- New distance from the mirror: **4 meters - 1 meter = 3 meters**

Calculating the New Distance to His Image
- With David now **3 meters** away from the mirror, the image is still **3 meters behind the mirror**.
- Therefore, the new total distance between David and his image is:
- **Total distance = Distance to mirror + Distance behind mirror**
- **Total distance = 3 meters + 3 meters = 6 meters**

Correct Answer
- Thus, the distance between David and his image after he moves 1 meter towards the mirror is **6 meters**.
The correct answer is option **'C' (6 meters)**.
Free Test
Community Answer
If initially David is 4 meters far from the mirror, he moves 1 meter t...
Initially, the distance between David and his image is 4 meters on each side of the mirror, totaling 8 meters. If David moves 1 meter towards the mirror, the new distance between him and the mirror is 1 meter less, making the total distance between David and his image 6 meters.
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If initially David is 4 meters far from the mirror, he moves 1 meter towards a plane mirror, the distance between David and his image will be:a)3 metersb)5 metersc)6 metersd)8 metersCorrect answer is option 'C'. Can you explain this answer?
Question Description
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