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36. Electromagnetic waves . (A) cary energy (B) carry momentum (C) are transverse in nature while travelling in vacuum (D) do not need a material medium to travel Electromagnetic Waves: […]

35. According to the kinetic theory of gases, the average energy of a diatomic molecule in an ideal gas depends on (A) mass of each atom and the temperature (B) […]

34. Which one of the following remains unchanged when light waves enter water from air? (A) Wavelength (B) Wavenumber (C) Frequency (D) Intensity What Remains Unchanged When Light Waves Enter […]

33. A particle starting from rest is subjected to a constant force. The plot of distance traveled along the direction of the force as a function of time is a/an […]

32. In a simple microscope, . (A) a lens with negative power is used (B) the focal length of the lens is less than the least distance for clear vision […]

31. The dimensions of coefficient of viscosity are . (A) ML-1T-1 (B) ML-1T-2 (C) ML-2T-2 (D) ML-2T-1 Dimensions of Coefficient of Viscosity: Dimensional Formula Explained Correct Answer: (A) ML−1T−1 Understanding […]

30. An insect weighing 5 g takes off vertically for a distance of 100 cm with a speed of 4 m s⁻¹ by using its hind legs. Ignoring the resistance […]

29. Three particles A,B,C with masses of 100 g, 200 g, and 300 g, respectively, are placed at the vertices of an equilateral triangular structure with a side length of […]

28. A candle is placed 18 cm in front of a concave mirror to generate a real, inverted and doubly magnified image. The radius of curvature of the concave mirror […]

27. The wavelength of a photon emitted during a transition from n = 3 to n = 2 state in the H atom is ____________ nm. (answer in integer). [Rydberg […]