Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Properties of Matter question

2002 · Q164
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Physics
  4. /Properties of Matter
  5. /2002 · Q164

Properties of Matter question

2002 · Q164

NEETPhysicsProperties of MatterMCQ+4 / −1
Which of the following is best close to an ideal black body?
  1. A
    black lamp
  2. B
    cavity maintained at constant temperature
  3. C
    platinium black
  4. D
    a lump of charcoal heated to high temperature.
PreviousNext

More from Properties of Matter

  • The Wien's displacement law express relation between2002 · MCQ
  • A cylindrical rod having temperature T1 and T2 at its end. The rate of flow of heat Q1 cal/sec. If all the linear dimension are doubled keeping temperature constant, then rate of flow of heat Q2 will be2001 · MCQ
  • A black body has maximum wavelength λm at 2000 K. Its corresponding wavelength at 3000 K will be2000 · MCQ
  • Consider a water tank shown in the figure. It has one wall at x=L and can be taken to be very wide in the z direction. When filled with a liquid of surface tension S and density ρ, the liquid surface makes angle θ0​(θ0​≪1)… Includes diagram2025 · MCQ
  • The maximum elongation of a steel wire of 1 m length if the elastic limit of steel and its Young's modulus, respectively, are 8×108 N m−2 and 2×1011 N m−2,…2024 · MCQ
  • A thin flat circular disc of radius 4.5 cm is placed gently over the surface of water. If surface tension of water is 0.07 N m−1, then the excess force required to take it away from the surface is2024 · MCQ
  • A metallic bar of Young's modulus, 0.5×1011 N m−2 and coefficient of linear thermal expansion 10−5∘C−1, length 1 m and area of cross-section 10−3 m2…2024 · MCQ
  • An ideal fluid is flowing in a non-uniform cross-sectional tube XY (as shown in the figure) from end X to end Y. If K1​ and K2​ are the kinetic energy per unit volume of the fluid at X and Y respectively, then the correct… Includes diagram2024 · MCQ