3. A particle is constrained to move in a circle with a 10-metre radius. At one instant, the particle speed is 10 m/s and its speed is increasing with a […]
2. Which of the following best explains why the refractive index of water changes with temperature? a. Due to change in density b. Due to change in surface tension c. […]
1. You are running up a spiral staircase. The associated angular momentum points in which direction? a. Upwards b. Downwards c. The net displacement is linear, so there is no […]
15. What is the output of the following pseudocode program, which first defines a function ‘whoosh’ and then calls it from a for-loop? define whoosh(n) if n is equal to […]
14. Scientists marked and released 100 lizards on 4 islands. Each island is home to predators. After a month they trapped and counted all surviving marked lizards. They then repeated […]
13. Which of the following is the largest? a. 1001/100 b. 1001/101 c. 101/51 d. 101/52 Largest among 1001/100, 1001/101, 101/51, 101/52: Detailed Comparison Explained The largest number among the […]
12. The following line graph gives the ratio of the amount of entry to the amount of exit of a specific molecule from a cell, over the time period 1-7 […]
11. Consider the following statements. I. Some fairies are pixies II. All pixies are magicians III. No magicians are trolls Based on the above statements, which of the following is […]
10. Observe the curves numbered 1, 2, 3 and 4 in this plot. For each of these curves at several evenly-spaced values of X, you measure the slope dY/dX. For […]
9. Identify the three measures of central tendency in the following distributions: a. A1 and B1= mode, A2 and B2 = median, A3 and B3 = mean b. A1 and […]
