Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET
Exam
NEET
Subject
Physics
Chapter
Thermal Properties of Matter

NEET · Physics · Thermal Properties of Matter

What is the time it takes for a body to cool from 60 °C to 30 °C...

What is the time it takes for a body to cool from 60 °C to 30 °C when the surroundings are at 20 °C, given that the body cools from 80 °C to 50 °C in 5 minutes?

Options

  1. A2.5 minutes
  2. B9 minutes
  3. C5 minutes
  4. D7.5 minutes

Correct answer

B. 9 minutes

Step-by-step solution

Correct Option is : (B)
9 minutes
Practice Thermal Properties of Matter on Quantrex Academy →

More from Thermal Properties of Matter

A cylindrical rod with one end in a steam chamber and the other end in ice results in… MHT CET Medical 2026A spherical blackbody of radius 10\ m is maintained at a temperature T , radiating power… MHT CET Medical 2026The rectangular surface area (12\ cm×6\ cm) of the black body, at a temperature 127^ ^ ∘… MHT CET Medical 2026A metal sphere cools at a rate of 2^ ^ ∘ C/min when the temperature is 80^ ^ ∘ C . If the… MHT CET Medical 2026A resistance thermometer has resistance 95\ Ω at the ice point and 140\ Ω at the steam… MHT CET Medical 2026A metal sphere cools from 80^ ^ ∘ C to 60^ ^ ∘ C in 10 minute. The time taken (in minute)… MHT CET Medical 2026If the temperature of 5 kg mass of a material of a specific heat capacity 200 J/kg ^ ^ ∘… MHT CET Medical 2026The initial temperature of a body is 80^ ^ ∘ C . If its temperature falls to 64^ ^ ∘ C in… MHT CET Medical 2026 Full Thermal Properties of Matter list All NEET PYQs