Target UPSC prelims 2019: Daily MCQs #29

Oracle IAS, the best coaching institute for UPSC/IAS/PCS preparation in Dehradun brings to you daily MCQs. 1. “Eyes-on and Hands-off policy” was sometimes seen in the news recently, which is associated with which of the following? a. Japan‘s amendment of its pacifist Read More …

UKPCS-UKPSC Science: Conductors, semiconductors and insulators(2) #35

Oracle IAS, the best coaching institute for UPSC/IAS/PCS preparation in Dehradun brings to you UKPCS Science (paper #6). Semiconductor materials Elements that are used as semiconductors, such as silicon and germanium, have four outer shell electrons. This means that they can form four Read More …