List of practice Questions

A point dipole with dipole moment, $\vec{p} = p_0 \hat{k}$ , is kept at the origin. An external electric field given by, $\vec{E} = E_0 ( 2\hat{i} - 3\hat{j} + 4\hat{k})$ , is applied on it. Which one of the following statements is true ?
The coefficient of linear expansion of a metal rod is $12 \times 10^{-6} / ^{\circ}C$ , its value in per its value in per $^{\circ}F$
Answer the following : 
  1. You are given a thread and a metre scale. How will you estimate the diameter of the thread ? 
  2. A screw gauge has a pitch of 1.0 mm and 200 divisions on the circular scale. Do you think it is possible to increase the accuracy of the screw gauge arbitrarily by increasing the number of divisions on the circular scale ? 
  3. The mean diameter of a thin brass rod is to be measured by vernier calipers. Why is a set of 100 measurements of the diameter expected to yield a more reliable estimate than a set of 5 measurements only ?
How did this experience affect him?
Simplify and solve the linear equation \(3(t-3)=5(2t+1)\)
How will you describe the position of a table lamp on your study table to another person?
The half-life of thorium X is 3.64 days. After how many days will 0.1 of the mass of a sample of the substance remain undecayed?
For a matrix $A, AI = A$ and $AA^T = I$ is true for
Which one of the following is an addition polymer?
The energy of an electron in the $3\,S$ orbital (excited state) of $H$ - atom is
Arg z + Arg $ \bar z. ( z \neq 0)$ is
Discuss the author’s attitude towards the pre-scientific imagination and the tone he adopts while talking about it.
Examine the noun phrases in these sentences from the text.
• This may be particularly significant in understanding the class basis of the rapid spread of Buddhism, in particular, in India.
How does Asimov establish that John Campbell was wrong in his opinion that it is not possible for a science fiction mystery to be fair to a reader in the same way as a classical mystery is?
What are the pitfalls that the writer of science fiction mystery must guard against?
What gives science fiction its validity?
What is the parallel drawn between myths and legends of the past and science fiction?
What makes for the distinction between the various genres of fiction—‘a sports story’, ‘a Western story’, ‘a jungle story’ and science fiction?
Which literary works does the author have in mind when he refers to ‘Open Sesame’ or the concept of winged horses or flying carpets?
Does Amartya Sen see argumentation as a positive or a negative value?
Examine the noun phrases in these sentences from the text
• The second woman head of the Indian National Congress, Nellie Sengupta, was elected in 1933.
Examine the noun phrases in these sentences from the text
• This concerns the relation—and the distance—between income and achievement.
How, according to Sen, has the tradition of public discussion and interactive reasoning helped the success of democracy in India?
How is the message of the Gita generally understood and portrayed? What change in interpretation does Sen suggest?
Sen has sought here to dispel some misconceptions about democracy in India. What are these misconceptions?