हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान कक्षा ११

Which of the Following Pairs of Physical Quantities May Be Represented in the Same Unit? - Physics

Advertisements
Advertisements

प्रश्न

Which of the following pairs of physical quantities may be represented in the same unit?

विकल्प

  • Heat and temperature

  • Temperature and mole

  • Heat and work

  • Specific heat and heat

MCQ
Advertisements

उत्तर

Heat and Work

 

As work done in raising temperature of a body is actually the heat supplied to the body, heat and work may be represented in the same unit.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Calorimetry - MCQ [पृष्ठ ४६]

APPEARS IN

एचसी वर्मा Concepts of Physics Vol. 2 [English] Class 11 and 12
अध्याय 3 Calorimetry
MCQ | Q 5 | पृष्ठ ४६

संबंधित प्रश्न

The dimensions of emissive power are ______.


A metal ball cools from 64 °C to 50 °C in 10 minutes and to 42 °C in next 10 minutes. The ratio of rates of fall of temperature during the two intervals is _______.


The substance which allows heat radiations to pass through is _______.

(A) iron

(B) water vapour

(C) wood

(D) dry air


Which of the following pairs may give equal numerical values of the temperature of a body?


The temperature of water at the surface of a deep lake is 2°C. The temperature expected at the bottom is


Is heat a conserved quantity?


A spinning wheel A is brought in contact with another wheel B, initially at rest. Because of the friction at contact, the second wheel also starts spinning. Which of the following energies of the wheel B increases?
(a) Kinetic
(b) Total
(c) Mechanical
(d) Internal


When a hot liquid is mixed with a cold liquid, the temperature of the mixture ____________ .


The heat capacity of a body depends on

(a) the heat given

(b) the temperature raised

(c) the mass of the body

(d) the material of the body


If heat is supplied to a solid, its temperature

(a) must increase

(b) may increase

(c) may remain constant

(d) may decrease


The temperature of a solid object is observed to be constant during a period. In this period

(a) heat may have been supplied to the body

(b) heat may have been extracted from the body

(c) no heat is supplied to the body

(d) no heat is extracted from the body


A resistance thermometer reads R = 20.0 Ω, 27.5 Ω, and 50.0 Ω at the ice point (0°C), the steam point (100°C) and the zinc point (420°C), respectively. Assuming that the resistance varies with temperature as Rθ = R0 (1 + αθ + βθ2), find the values of R0, α and β. Here θ represents the temperature on the Celsius scale.


Our normal body temperature is ______.


Two tumblers of A and B have water at 50°C temperature. If the water from A and B is poured into tumbler C. The temperature of C is ______.


One day in 1922, the air temperature was measured at 59°C in the shade in Libya ______.


Heat given to a body that raises its temperature by 1°C is ______.


What is the SI unit of heat?


In the formula Q = mcΔT, what does c represent?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×