Questions

Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?

Who proposed Continental drift theory?

'Gallon' is commonly used

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

The biggest problem faced by (1)/ all developing countries is the (2)/ lack of training manpower. (3)/ No error (4)

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: As a result, people end up saving a considerable amount of money while also saving the planet.
Q: Recycling your waste makes you more responsible in the way you use and dispose of it.
R: It is evident from studies that people who do this instinctively cut down on buying unwanted things from the supermarket.
S: They think of how to dispose of the packaging or the product after use before even buying it.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A man devoid of kind feeling and sympathy.

Meibomian glands are located in

Blood group AB has