Questions

An object of 1.2 cm height is placed 30 cm before a concave mirror of focal length of 20 cm toget a real image at a distance of 60 cm from the mirror. What is the height of the image formed?

Which of the following devices helps to maintain a potential difference across a conductor?

What will be the resistance of a wire across which, when 2V potential difference is applied, 1A current flows through the wire?

In December 2017, who launched project ‘DARPAN’ (Digital Advancement of Rural Post Office for a New India)?

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

I seen (1)/ that it (2)/ is getting dark. (3)/ No error (4)

In October 2017, SEBI directed the stock exchanges to impose how much fine/penalty on those companies which do not comply with the minimum public shareholding norms?

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'.
She has not been (1)/ to the restaurant (2)/ much late. (3)/ No Error (4)

Name the stage of mitosis during which the chromosomes of a dividing cell lies at the equatorial plate?