1
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Pressure of the gas remaining same, the temperature at which r. m. s. speed of the gas molecules is double its value at $27^{\circ} \mathrm{C}$ is
2
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Rate of flow of heat through a cylindrical rod is $\mathrm{H}_1$. The temperature of the ends of the rod are ' $\mathrm{T}_1$ ' and ' $\mathrm{T}_2$ '. If all the dimensions of the rod become double and the temperature difference remains the same, the rate of flow of heat becomes ' $\mathrm{H}_2$ '. Then $\mathrm{H}_2=$
3
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
For which of the following combinations of working temperatures, the efficiency of Carnot's engine is maximum?
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Two stars 'A' and 'B' radiate maximum energy at $5200 \mathop {\rm{A}}\limits^ \circ$ and $6500 \mathop {\rm{A}}\limits^ \circ$ respectively. Then the ratio of absolute temperatures of stars ' A ' and ' $B$ ' is
$$\mathop {\rm{A}}\limits^ \circ $$
Questions Asked from Heat and Thermodynamics (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
MHT CET (Biology) Subjects
Physics
Mechanics
Motion Circular Motion Center of Mass and Collision Rotational Motion Gravitation Simple Harmonic Motion Fluid Mechanics Elasticity Waves Heat and Thermodynamics
Optics
Electromagnetism
Electrostatics Current Electricity Capacitor Moving Charges and Magnetism Magnetism and Matter Electromagnetic Induction Alternating Current
Modern Physics
Chemistry
Physical Chemistry
Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry
Inorganic Chemistry
Periodic Table and Periodicity Chemical Bonding and Molecular Structure s-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry
Organic Chemistry
Biology
Botany
Biomolecules Cell Cycle and Cell Division Sexual Reproduction in Flowering Plants Microbes in Human Welfare Anatomy of Flowering Plants Transport in Plants Mineral Nutrition Respiration in Plants Biotechnology: Principles and Processes Biodiversity and Conservation Principles of Inheritance and Variation Molecular Basis of Inheritance Biotechnology and It's Applications Organisms and Populations Plant Growth and Development Ecosystem
Zoology
Human Health and Diseases Body Fluids and Its Circulation Neural Control and Coordination Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution