Practice questions
88551 published questions with worked solutions.
- A particle moving with uniform speed in a circular path maintains :
- The maximum elongation of a steel wire of 1 m length if the elastic limit of steel and its Young's modulus, respectively, are 8...
- A tightly wound 100 turns coil of radius 10 cm carries a current of 7 A. The magnitude of the magnetic field at the centre of the...
- The property which is not of an electromagnetic wave travelling in free space is that :
- If the plates of a parallel plate capacitor connected to a battery are moved close to each other, then A. the charge stored in...
- A force defined by F= t^2+ t acts on a particle at a given time t. The factor which is dimensionless, if and are constants, is:
- A metallic bar of Young's modulus, 0.5 10^ 11 N ,m^ -2 and coefficient of linear thermal expansion 10^ -5 ^ C ^ -1 , length 1 m...
- A parallel plate capacitor is charged by connecting it to a battery through a resistor. If I is the current in the circuit, then...
- A sheet is placed on a horizontal surface in front of a strong magnetic pole. A force is needed to : A. hold the sheet there if...Not in JEE Advanced syllabus
- If the mass of the bob in a simple pendulum is increased to thrice its original mass and its length is made half its original...
- An iron bar of length L has magnetic moment M. It is bent at the middle of its length such that the two arms make an angle 60^...Not in JEE Advanced syllabus
- A small telescope has an objective of focal length 140 cm and an eye piece of focal length 5.0 cm. The magnifying power of...
- Match List I with List II. List-I: (Molecule) (A) ethane (B) ethene (C) carbon molecule, C_2 (D) ethyne List-II: (Number and...
- Given below are two statements : Statement I : Both [Co(NH_3)_6]^ 3+ and [CoF_6]^ 3- complexes are octahedral but differ in their...
- Match List I with List II. List-I: (Compound) (A) NH_3 (B) BrF_5 (C) XeF_4 (D) SF_6 List-II: (Shape/geometry) (I) Trigonal...
- Arrange the following elements in increasing order of first ionization enthalpy: Li, Be, B, C, N Choose the correct answer from...
- The reagents with which glucose does **not** react to give the corresponding tests/products are A. Tollen's reagent B. Schiff's...
- Match List I with List II. List-I: Quantum Number (A) m_l (B) m_s (C) l (D) n List-II: Information provided (I) shape of orbital...
- Which reaction is **NOT** a redox reaction?
- Given below are two statements: Statement I : The boiling point of hydrides of Group 16 elements follow the order...