Question
In Rutherford's $\alpha$-scattering experiment, if atomic number increases with thin metal foil then scattering angle is :
✓
Answer
(c) - increases
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
When a compact disc is illuminated by a source of white light. Coloured 'lanes' are observed. This is due to (a) Dispersion(b) Diffraction(c) Interference (d) Refraction
In a conductor 4 coulombs of charge flows for 2 seconds. The value of electric current will be(a) 4 volts(b) 4 amperes(c) 2 amperes(d) 2 volts
Match List I with List II and select the correct answer using the codes given below the lists :
Codes :(a) I-B, II-D, III-A, IV-E(b) I-A, II-D, III-C, IV-B(c) I-C, II-B, III-A, IV-E(d) I-B, II-E, III-D, IV-C
| List I (Position of the object) |
List II (Magnification) |
| (I) An object is placed at focus before a convex mirror | (A) Magnification is -∞ |
| (II) An object is placed at centre of curvature before a concave mirror | (B) Magnification is 0.5 |
| (III) An object is placed at focus before a concave mirror | (C) Magnification is +1 |
| (IV) An object is placed at centre of curvature before a convex mirror | (D) Magnification is -1 |
| (E) Magnification is 0.33 |
Find the false statement.
The mass of the electron varies with(a) The size of the cathode ray tube(b) The variation of ‘g’(c) Velocity(d) Size of the electron
A heavy stone is thrown in from a cliff of height $h$ in a given direction. The speed with which it hits the ground:
→A white light is passed through the two narrow slits and produced a pattern of alternating bright and dark lines on the screen as shown above. What will effects on the central bright band , if the distance between screen and slits are increased?
The thermionic emission of electron is due to(a) Electromagnetic field(b) Electrostatic field(c) High temperature(d) Photoelectric effect
Who gave the Quantum model of hydrogen atom?
Einstein's mass-energy relation is :