1. Bohr atomic model is applicable for which of the following?
A. H +B. He+C. Li+D. Be2+
2. For a simple pendulum, if g vs graphs are plotted in different places for the same value of L, then what is the slope? T −2
A. 4π2 LB. 2π2LC. 2πLD. 4π2L g = 4π2 L T 2 = (4π2L) 1 T 2
3. Which one of the following is Charles’ law?
A. (T constant) V ∝ 1 PB. V ∝ T (P constant)C. P = P1 + P2 + P3D. P ∝ T (V constant)
4. Which of the following involves mixing impurities with pure silicon to make p-type semiconductors?
A. PhosphorusB. AluminiumC. AntimonyD. Oxygen
5. Had you _____ my advice, you _____ better.
A. taken, would have doneB. take, would doC. took, will doD. taken, will have done
6. Which one is correct?
A. Sophesticated methods will be used to get data.B. Sophasticated methods will be used to get data.C. Sophisticated methods will be used to get data.D. Sophisticated methodes will be used to get data.