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Class 12th Physics Objective Question Nuclei Chapter on New Pattern NUCLEI 1. Atomic number decreases with the emission of a particles from the nucleus : (A) 1 (B) 2 (C) 3 (D) 4 Answer :- (B) 2. Density of nucleus is about : (A) 2.29 x 107 kg m-3 (B) 2.29 x 10-7 kg m-3 (C) […]
BSEB 12th Physics Objective Question Paper Dual Nature Of Matter And Radiation Chapter Objective DUAL NATURE OF MATTER AND RADIATION 1. Which one of the following is deflected in electric field ? (A) Gamma rays (B) X-rays. (C) Ultraviolet rays (D) Cathode rays Answer:- D 2. Wavelength of a particles of mass m moving with […]
Class 12th Physics Most VVI Objective Alternating Current Chapter Alternating Current 1. In an LCR series ac circuit, the voltage across each of the components L, C and R is 50 Volt. The voltage across LC combination is : (A) 50 Volt (B) 25 Volt (C) 100 Volt (D) 0 Volt Answer:- D 2. The phase difference […]
Class 12th Physics Chapter 10 Wave Optics VVI Objective Question Wave Optics 1. Electromagnetic wave can be Polarised by (A) a lens (B) a mirror (C) a polaroid (D) a prism Answer:- C 2. Bonding of light rays at sharp obstacles is called : (A) Refraction (B) Diffraction (C) Interference (D) Polarisation Answer:- B 3. If […]
Class 12th Physics Chapter 8 Electro-Magnetic Waves VVI Objective Question Electro-Magnetic Waves 1. Which has the longest wavelength? (A) Radio waves (B) X-rays (C) Ultraviolet rays (D) Infrared Answer:- A 2. Which of the following has a minimum wavelength? (A) X-Rays (B) Y-Rays (C) Micro Wave (D) Radio wave Answer:- B 3. The frequency range of […]
Class 12th Physics Chapter 6 Electromagnetic Induction VVI Objective Question ELECTROMAGNETIC INDUCTION 1. Unit of self-induction is (A) Weber Title (B) Ohm (C) Henry (D) Gauss Answer:- C 2. The direction of eddy current is obtained using (A) Kirchhoff’s laws (B) Lenz’s law (C) Planck’s law (D) none of these Answer:- B 3. Lenz’s law is […]
12th Board Exam Physics Chapter 4 Moving Charges & Magnetism Objective Question Moving Charges And Magnetism 1. Accelerated charge produces : (A) Alpha Rays (B) Gamma Rays (C) Beta Rays (D) Electromagnetic Wave Answer:- D 2. A charged particle enters into a magnetic field at 30° with induction vector. Its path becomes (A) circular (B) […]
Class 12th Physics Chapter 3 Current Electricity Imoprtant Objective Question Current Electricity 1. Which one of the following is the best material for making connecting wires? (A) Nichrome (B) Tungsten (C) Copper (D) Manganese Answer:- C 2. Fuse-wire is made of which material ? (A) Copper (B) Tungsten (C) Lead-Tin Alloy (P) Nichrome Answer:- A 3. […]