Advertisements
Advertisements
प्रश्न
Choose the correct option.
If two temperatures differ by 25° C on Celsius scale, the difference in temperature on Fahrenheit scale is
पर्याय
65°
45°
38°
25°
Advertisements
उत्तर
45°
Explanation:
100 divisions on celsius scale correspond to 180 divisions on fahrenheit scale.
∴ Temperature difference of 25° C, i.e., 25
divisions will correspond to, `(25 xx 180)/100` = 45
divisions on Fahrenheit scale, i.e., 45° F.
APPEARS IN
संबंधित प्रश्न
Choose the correct option.
Range of temperature in a clinical thermometer, which measures the temperature of the human body, is
Choose the correct option.
Water falls from a hight of 200 m. What is the difference in temperature between the water at the top and bottom of a waterfall given that the specific heat of water is 4200 J kg-1 °C-1?
Obtain an ideal gas law from Boyle’s and Charles’ law.
Define specific heat capacity.
Write the unit of specific heat capacity.
Define molar specific heat capacity.
What is a thermal expansion?
Give the expression for linear thermal expansion.
Give the expression for area thermal expansion.
Give the expression for volume thermal expansion.
Define latent heat capacity.
Write the unit of latent heat capacity.
Define thermal conductivity.
Write the unit of thermal conductivity.
Explain in detail the thermal expansion.
Explain Calorimetry and derive an expression for final temperature when two thermodynamic systems are mixed.
Calculate the number of moles of air is in the inflated balloon at room temperature as shown in the figure.
The radius of the balloon is 10 cm, and the pressure inside the balloon is 180 kPa.
The temperature of a uniform rod of length L having a coefficient of linear expansion αL is changed by ∆T. Calculate the new moment of inertia of the uniform rod about the axis passing through its center and perpendicular to an axis of the rod.
What does the temperature of a body tell us?
What does the temperature of a body tell us?
Which three fundamental quantities were used to describe mechanical systems before studying heat?
Why is the sense of touch not sufficient to measure temperature scientifically?
