1. How many -electrons are there in phenol? π
A. 10B. 6C. 8D. 5 π → 3; π e− = 3 × 2 = 6
Live
Varsity KA Admission Model Test 82
100 questions • 60 minutes • Each correct answer carries +1 mark. Each wrong answer deducts 0.25 mark.
Exam Overview
Total Questions
100 MCQ
Duration
60 minutes
Total Marks
100
Negative Marking
-0.25
Subject-wise Distribution
| General Science | 51 |
| Chemistry | 17 |
| Physics | 12 |
| Biology | 11 |
| English | 9 |
Question Pattern Preview
2. Of the given elements, which one has the highest ionization energy?
A. CB. BC. ND. O
3. What is the total energy of an object moving with 0.8c velocity having mass 6 kg?
A. 6 × 1019JB. 7 × 1018JC. 8 × 1016JD. 9 × 1017J E = moc2 √1− v2 c2 = 6×(3×108)2 √1−0.82 J = 9 × 1017J
4. Nuclear binding energy is the amount of energy required to keep the bound up together inside the nucleus-
A. protons and neutronsB. electrons and neutronsC. only neutronsD. only protons
5. An antonym of ‘Advancing’ is-
A. ForwardingB. RetreatingC. RunningD. Progressing
6. The reason behind the formation of a depletion layer in p-n junction is-
A. drift velocity of electronsB. drift velocity of holesC. diffusion of charge carrierD. transfer of dopants