Light is incident normally on a completely absorbing surface with an e

1.	Light is incident normally on a completely absorbing surface with an energy flux of 25 W cm⁻². If the surface has an area of 25 cm², the maximum transferred to the surface in 40 min time duration will be(A) 6.3 × 10⁻⁴ Ns (B) 3.5 × 10⁻⁶ Ns(C) 5.0 × 10⁻³ Ns (D) 1.4 × 10⁻⁶ Ns
Answer» ANSWER: Correct OPTION is : ( C ). 5.0 × 10⁻³ NS Explanation : Refer the ATTACHED picture.

Light is incident normally on a completely absorbing surface with an energy flux of 25 W cm⁻². If the surface has an area of 25 cm², the maximum transferred to the surface in 40 min time duration will be(A) 6.3 × 10⁻⁴ Ns (B) 3.5 × 10⁻⁶ Ns(C) 5.0 × 10⁻³ Ns (D) 1.4 × 10⁻⁶ Ns

Answer»

ANSWER:

Correct OPTION is :

( C ). 5.0 × 10⁻³ NS

Explanation :

Refer the ATTACHED picture.

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Light is incident normally on a completely absorbing surface with an energy flux of 25 W cm⁻². If the surface has an area of 25 cm², the maximum transferred to the surface in 40 min time duration will be(A) 6.3 × 10⁻⁴ Ns (B) 3.5 × 10⁻⁶ Ns(C) 5.0 × 10⁻³ Ns (D) 1.4 × 10⁻⁶ Ns

ANSWER:

Explanation :

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