Question
Which conjunction can be used for this sentence?
This document is invalid, ___________ the manager signs it.Solution
Here, the conjunction âunlessâ, which means âexcept ifâ is correct.
What is the primary source of the Sunâs energy?
A current-carrying conductor is placed perpendicular to a uniform magnetic field. The force on the conductor is given by:
A liquid initially contracts when cooled down to 4°C but on further cooling down to 0°C, it expands. The liquid isÂ
The spokes used in the wheel of a bicycle increase its â
What is the full form of DNA?
Which of the following substance produces brisk effervescence when treated with baking-soda solution?
Heat from the sun reaches earth by the process of â
Which of the following is a process in which water from any source change into vapour state âdue to heatâ?
The anther contains
A person rings a metallic bell near a strong concrete wall. He hears the echo after 0.3 s. if the sound moves with a speed of 340 m/s, how far is the wa...
