AP EAMCET · PHYSICS · Thermal Properties of Matter
A metal ball of mass 100 g at \(20^{\circ} \mathrm{C}\) is dropped in 200 ml of water at \(80^{\circ} \mathrm{C}\). If the resultant temperature is \(70^{\circ} \mathrm{C}\), then the ratio of specific heat of the metal to that of water is
- A \(\frac{5}{2}\)
- B \(\frac{1}{2}\)
- C \(\frac{2}{5}\)
- D \(\frac{2}{1}\)
Answer & Solution
Correct Answer
(C) \(\frac{2}{5}\)
Step-by-step Solution
Detailed explanation
By principle of calorimetry Heat gained = Heat lost…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from PHYSICS
- In a Young's double slit experiment, light of wavelength \(5900 Å\) is used. When the slits are \(2 \mathrm{~mm}\) apart, the fringe width is \(1.2 \mathrm{~mm}\). If the slit separation is increased to one and half times the previous value, then the fringe width will beAP EAMCET 2019 Medium
- When photons of energy \(8 \times 10^{-19} \mathrm{~J}\) incident on a photosensitive material, the de Broglie wavelength of the photoelectrons emitted with maximum kinetic energy is \(10 Å\). The work function of the photosensitive material is nearlyAP EAMCET 2025 Medium
- If the maximum and minimum amplitudes of a modulated wave are 25 V and 5 V respectively, then the modulation index isAP EAMCET 2025 Easy
- If the ratio of amplitudes of two interfering waves is \(4: 3\), then the ratio of maximum and minimum intensity isAP EAMCET 2021 Medium
- For a particle executing simple harmonic motion, match the following statements (conditions) from column I to statements (shapes of graph) in column II
AP EAMCET 2024 Medium - A body of mass \(5 \mathrm{~kg}\) makes an elastic collision with another body at rest and continues to move in the original direction after collision with a velocity equal to \(\frac{1}{10}\) th of its original velocity. Then the mass of the second body isAP EAMCET 2009 Medium
More PYQs from AP EAMCET
- The radical centre of the three circles \(x^2+y^2-1=0, x^2+y^2-8 x+15=0\) and \(x^2+y^2+10 y+24=0\) isAP EAMCET 2022 Medium
- The following graph is obtained for an ideal solution containing a non-volatile solute, \(x\) - and \(y\)-axis represent, respectively
AP EAMCET 2025 Medium - \(\cos 20^{\circ}+\cos 30^{\circ}+\cos 40^{\circ}=\)AP EAMCET 2017 Hard
- An electronic transition in hydrogen atom results in the formation of \(\mathrm{H}_\alpha\) line of hydrogen in Lyman series, the energies associated with the electron in each of the orbits involved in the transition (in kcal \(\mathrm{mol}^{-1}\) ) areAP EAMCET 2008 Medium
- If \(\mathrm{r}_1, \mathrm{r}_2\) are the angle of refraction at first face and second face of a prism, then the angle of the prism isAP EAMCET 2023 Easy
- \(\int_{-\pi / 2}^{\pi / 2} \sin |x| d x\) is equal toAP EAMCET 2008 Easy