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Thermal Properties of Matter

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Thermal Expansion

Subtopic

Thermal Expansion under Thermal Properties of Matter for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The value of coefficient of expansion depends on which unit of temperature?

    A.

    Only Celsius

    B.

    Only Kelvin

    C.

    Both Celsius and Kelvin (they are the same for intervals)

    D.

    Neither

  2. 2.

    What happens to the density of water when it is cooled from 10∘C10^\circ C to 4∘C4^\circ C?

    A.

    Decreases

    B.

    Increases

    C.

    Remains constant

    D.

    Becomes zero

  3. 3.

    A substance that expands on cooling is:

    A.

    Iron

    B.

    Copper

    C.

    Water (between 4∘C4^\circ C and 0∘C0^\circ C)

    D.

    Aluminum

Download the worksheet for Thermal Properties of Matter - Thermal Expansion to practice offline. It includes additional chapter-level practice questions.

Specific Heat Capacity and Calorimetry

Subtopic

Specific Heat Capacity and Calorimetry under Thermal Properties of Matter for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Heat capacity SS can be expressed as:

    A.

    S=ΔQ/ΔTS = \Delta Q / \Delta T

    B.

    S=ΔQ⋅ΔTS = \Delta Q \cdot \Delta T

    C.

    S=ΔT/ΔQS = \Delta T / \Delta Q

    D.

    S=mΔQS = m \Delta Q

  2. 2.

    An object of mass m1m_1 and specific heat s1s_1 at temperature T1T_1 is mixed with mass m2m_2 and specific heat s2s_2 at temperature T2T_2 (T1>T2T_1 > T_2). The final temperature TT is:

    A.

    (m1s1T1+m2s2T2)/(m1s1+m2s2)(m_1 s_1 T_1 + m_2 s_2 T_2) / (m_1 s_1 + m_2 s_2)

    B.

    (m1T1+m2T2)/(m1+m2)(m_1 T_1 + m_2 T_2) / (m_1 + m_2)

    C.

    (s1T1+s2T2)/(s1+s2)(s_1 T_1 + s_2 T_2) / (s_1 + s_2)

    D.

    (m1s1T2+m2s2T1)/(m1s1+m2s2)(m_1 s_1 T_2 + m_2 s_2 T_1) / (m_1 s_1 + m_2 s_2)

  3. 3.

    What happens to the temperature of a substance when it is supplied with heat while undergoing a change of state?

    A.

    It increases

    B.

    It decreases

    C.

    It remains constant

    D.

    It fluctuates

Download the worksheet for Thermal Properties of Matter - Specific Heat Capacity and Calorimetry to practice offline. It includes additional chapter-level practice questions.

Latent Heat

Subtopic

Latent Heat under Thermal Properties of Matter for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The value of latent heat of fusion of ice in cal/g is:

    A.

    540540

    B.

    8080

    C.

    100100

    D.

    11

  2. 2.

    What is the boiling point of water on the Kelvin scale at standard atmospheric pressure?

    A.

    273.15 K273.15 \text{ K}

    B.

    373.15 K373.15 \text{ K}

    C.

    0 K0 \text{ K}

    D.

    100 K100 \text{ K}

  3. 3.

    If LL is the latent heat, what is the heat required to change the state of 22 kg of a substance?

    A.

    LL

    B.

    2L2L

    C.

    L/2L/2

    D.

    4L4L

Download the worksheet for Thermal Properties of Matter - Latent Heat to practice offline. It includes additional chapter-level practice questions.

Heat Transfer (Conduction, Convection, and Radiation)

Subtopic

Heat Transfer (Conduction, Convection, and Radiation) under Thermal Properties of Matter for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The rate of cooling of a body is proportional to the difference in temperature between the body and its surroundings. This is:

    A.

    Stefan's Law

    B.

    Newton's Law of Cooling

    C.

    Kirchhoff's Law

    D.

    Wien's Law

  2. 2.

    A perfectly black body appears black because it:

    A.

    Reflects all colors

    B.

    Emits all colors

    C.

    Absorbs all incident radiation

    D.

    Is painted with black ink

  3. 3.

    If QQ is the heat flowing through a rod of length LL and area AA in time tt for a temperature difference ΔT\Delta T, the thermal conductivity KK is:

    A.

    K=(QL)/(AΔTt)K = (Q L) / (A \Delta T t)

    B.

    K=(QA)/(LΔTt)K = (Q A) / (L \Delta T t)

    C.

    K=(QΔTt)/(AL)K = (Q \Delta T t) / (A L)

    D.

    K=(Qt)/(ALΔT)K = (Q t) / (A L \Delta T)

Download the worksheet for Thermal Properties of Matter - Heat Transfer (Conduction, Convection, and Radiation) to practice offline. It includes additional chapter-level practice questions.

Newton's Law of Cooling

Subtopic

Newton's Law of Cooling under Thermal Properties of Matter for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Newton's Law of Cooling is used in forensic science to estimate:

    A.

    The height of a person

    B.

    The time of death of a body

    C.

    The weight of a person

    D.

    The age of a person

  2. 2.

    If the temperature of a body becomes equal to the temperature of the surroundings, the rate of cooling becomes:

    A.

    Maximum

    B.

    Minimum but non-zero

    C.

    Zero

    D.

    Infinite

  3. 3.

    A body cools from T1T_1 to T2T_2 in time tt. If the surrounding temperature is TsT_s, the average rate of cooling is:

    A.

    (T1−T2)/t(T_1 - T_2) / t

    B.

    (T1+T2)/t(T_1 + T_2) / t

    C.

    Ts/tT_s / t

    D.

    (T1−Ts)/t(T_1 - T_s) / t

Download the worksheet for Thermal Properties of Matter - Newton's Law of Cooling to practice offline. It includes additional chapter-level practice questions.

Thermal Properties of Matter - Class 11 Physics (CBSE) | Krit.club