Questions

Which one of the following is not a borderline element?

The pH of a solution, whose hydrogen ion concentration is 1 x 10 mole per litre, will be ____.

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: People celebrate it as a two-day festival; first day as Holika Dahan and second day as colourful Holi.
Q: Holi is a religious Hindu festival celebrated with lots of preparations in the month of Phalgun.
R: At Holika Dahan, they burn a heap of sticks, straws and cow-dung cakes lying in the mid of streets in the late evening or night.
S: And, next day in the morning, they celebrate a colorful Holi by playing colours with friends, family members and neighbours.

Myopia is a defect of eyes which is also known as

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

The attenuation in optical fibre is mainly due to

Find the kinetic energy (in J) possessed by a body of mass 10 kg moving with a velocity of 5 m/s.

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