Questions
If reflectivity of an opaque body is 0.7. Then what percent of the incident energy will be absorbed by the body?
detailed solution
Correct option is A
For an opaque body transmissibility τ=0∴ r + a = 1 ⇒ a = absorptivity = 1 – 0.7 = 0.3 ⇒ 30%Talk to our academic expert!
Similar Questions
Consider the following statements.
(A) A body with large reflectivity is a poor emitter of heat radiations.
(B) A body with large reflectivity is a poor absorber of heat.
Select the correct option.
(a) (A) is false but (B) is true.
(b) Both (A) and (B) are true.
(c) (A) is true but (B) is false.
(d) Both (A) and (B) are false.
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
