aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
  • GATE 2012 Mechanical Engineering (Core Subjects)
  • For an opaque surface, the absorptivity $(\alpha)$, trans...
Multiple choice

For an opaque surface, the absorptivity $(\alpha)$, transmissivity $(\tau)$ and reflectivity $(\rho)$are related by the equation

  1. $(\alpha)$+$(\rho)$=$(\tau)$
  2. ${\alpha}$+$(\rho)$+$(\tau)$ = 0
  3. $(\alpha)$+$(\rho)$= 1
  4. $(\alpha)$+$(\rho)$= 0
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Keep practicing — related questions

  • Rutherford's alpha ray scattering experiment is related to the size of the
  • Which of the following statements is/are false? a. There can be frictional force between two surfaces when ...
  • Direct transmission and indirect transmission are the two means of transmission of infectious diseases. Whi...
  • P : Foreign key cannot have a null value. Q : Primary key and foreign key can exist in same relation. R : F...
  • Which of the following transmissions is generally optimized for one-way transmission?
  • Adrenal gland is related to kidney whereas Pituitary gland is related to
  • Which of the following statements is/are not correct? 1. P - waves are the last waves to reach the earth's ...
  • Proline, a non alpha amino acid cannot fit itno alpha helical structure. This lead to a bend in the peptide...
Play the full quiz 🎤 Practise this topic out loud
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy