Abstract: This paper discusses the current state of underwater optical imaging in the context of physics, technology, biology, and history. The paper encompasses not only the history of human's ...

Candidates can access the MPSC Group C previous year papers online. It is available in a PDF file on the official website.

'Can', 'could', 'be able to', 'manage to' Present tenses Present perfect continuous 'Like' for preference and description Adverbs of frequency 'Have to' and 'must' The past simple tense ...

Present continuous and 'going to' Verb patterns The present perfect with ‘ever’ and ‘never’ The present perfect with 'for' and 'since' Comparatives and superlatives The present perfect with 'just', ...