Discuss Forum

1.

In the formula e = hf . if e is doubled and f is halved , what happens to the value of h?

  • A. h remains tehe same
  • B. h remains tehe same
  • C. h remains tehe same
  • D. h remains tehe same

Answer: Option D

Explanation:

2e = h. f/2

h = 4e / f

আগে, e = hf

h = e/f

অর্থাৎ, h এর সাথে 4 গুন হবে।


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