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asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A thermometer has wrong calibration. It reads the melting point of ice as –` 10^oC`. It reads `60^oC` in place of `50^oC`. What is the temperature of boiling point of water on the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Write the advantages and disadvantages of platinum resistance

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Define triple point of

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State Dulong and petit

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Why does the density of solid | liquid decreases with rise in

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If a body has infinite heat capacity? What does it

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Which has a higher specific heat ; water or

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How do you justify that when a body is being heated at melting point, the temperature remains

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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How do you explain the emission of long - wavelength by the object at low

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Why is it hotter at the same distance over the top of the fire than in front of

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Discuss briefly energy distribution of a black body radiation. Hence deduce wien’s displacement

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Can you design heat energy of 100%

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Answer of the following. SachinTendulkar used a heavy cricket bat while playing. Did it help him in anyway ? Example

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Figure (a) shows a thin liquid film supporting a small weight = `4.5 × 10^(–2)` N. What is the weight supported by a film of the same liquid at the same temperature in Fig. (b) and (c) ? Explain your answer physically.

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A steel cable with a radius of 1.5 cm supports a chairlift at a ski area. If the maximum stress is not to exceed 108 N `m^(–2)`, what is the maximum load the cable can support

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Let the speed of the planet at the perihelion P in Fig. (a) be `v_P` and the Sun-planet distance SP be `r_P`. Relate {`r_P, v_P`} to the corresponding quantities at the aphelion {`r_A, v_A`}. Will the planet take equal times to traverse BAC and CPB ?

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Separation of Motion of a system of particles into motion of the centre of mass and motion about the centre of mass : Show `p=p'_1+m_iV` where pi is the momentum of the ith particle (of mass `m_i`) and `p′_i = m_iv′_i`. Note `v′_i` is the velocity of the ith

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Separation of Motion of a system of particles into motion of the centre of mass and motion about the centre of mass : Show where `L'=r'_1xxp'_1` is the angular momentum of the system about the centre of mass with velocities taken relative to the centre of mass. Remember `r'1=r_1-R`;

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Motion of an oscillating liquid column in a U-tube

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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