CBSE to Use Metal Detectors in JEE, AIPMT Exam to Curb Cheating

Central Board of Secondary Education (CBSE) will use metal detectors to bar candidates using electronic gadgets for cheating purpose during professional examinations like JEE and AIPMT.

As per a circular, the board stated that, “The Board in order to check, use of unfair practices through electronic devices by the candidates in professional examination has decided to frisk candidates before entering the examination centre for detection of bugs/devices by use of highly sensitive hand held bug/metal detector.”
CBSE Last year, students used devices stitched in vests with an intension to leak question papers. Hence, this year CBSE bought 8,000 hand held metal detectors to frisk candidates across 52 exam centres in India. “We have mainly used this kind of frisking in some professional examinations earlier also. But we hired metal detectors which was proving to be a costly proposition. So the CBSE is planning to buy them,” as per a CBSE senior official’s statement.

During All India Pre-Medical and Pre-Dental Test 2015, with help of electronic gadgets, students leaked solved question papers in ten states across the country. Later, as per supreme court order, CBSE board had to re-conduct AIPMT exams.

The metal detectors to be used by CBSE, would be capable of detecting prohibited metallic electronics devices, miniature electronic gadget, photo-voltaic equipment, wire, ordinary battery, watch battery or similar material which are used in SIM cards and bluetooth used for transmitting answer keys. The detectors would be so powerful that it would catch even a staple pin in possession of candidates.

Every year, CBSE conducts competitive examinations for professional courses, such as Joint Entrance Examinations (Main), All India Pre Medical Test (AIPMT), University Grants Commission-National Eligibility Test (UGC NET), Combined Teachers Eligibility Test (CTET) among others.


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The temperature of sink of Carnot engine is 27C. Efficiency of engine is 25%. Then temperature of source is