Physics questions
20027 published questions with worked solutions.
- Which one of the following statements is correct about the magnification of an optical microscope ?
- The radii of curvature of the faces of a double convex lens are 10 cm and 20 cm. The refractive index of the glass is 1·5. What...
- The time period of a simple pendulum made using a thin copper wire of length L is T. Suppose the temperature of the room in which...
- Which one of the following physical quantity has the same unit as that of pressure ?
- Which one of the following statements is correct with regard to the material of electrical insulators ?Not in JEE Advanced syllabus
- Suppose a rod is given a negative charge by rubbing it with wool. Which one of the following statements is correct in this case ?
- Which one of the following is the correct relation between frequency f and angular frequency ?
- A Kelvin thermometer and a Fahrenheit thermometer both give the same reading for a certain sample. What would be the...
- If the potential difference applied to an X-ray tube is doubled while keeping the separation between the filament and the target...
- Which one of the following statements is true for the relation F = Gm_1m_2 r^2 ? (All symbols have their usual meanings)
- Why is it difficult to measure the coefficient of expansion of a liquid than solid ?
- A positive charge +q is placed at the centre of a hollow metallic sphere of inner radius a and outer radius b. The electric field...
- An object moves in a circular path with a constant speed. Which one of the following statements is correct ?
- The force acting on a particle of mass m moving along the x-axis is given by F(x) = Ax^2 - Bx. Which one of the following is the...
- The symbol of SI unit of inductance is H. It stands for
- In a vacuum, a five-rupee coin, a feather of a sparrow bird and a mango are dropped simultaneously from the same height. The time...
- Electron emission from a metallic surface by application of light is known as
- Radioactivity is measured by
- Which one of the following waves is used for detecting forgery in currency notes ?
- The majority charge carriers in a p-type semiconductor areNot in JEE Advanced syllabus