IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Work done in a free expansion process is 997 0

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    Minimun
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    0
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    Maximum
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    None of the above
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उत्तर : 2. "0"
व्याख्या :

Answer: B) 0 Explanation: No work done as there is no external external pressure in free expansion.    Hence, Work done in a free expansion process is Zero.

प्र: India has successfully test-fired the BrahMos supersonic cruise missile from Indian Air Force ___________ fighter aircraft for the first time. 996 0

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    Sukhoi-29 MKI
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    Sukhoi-32 MKI
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    Sukhoi-31 MKI
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    Sukhoi-30 MKI
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उत्तर : 4. "Sukhoi-30 MKI"
व्याख्या :

Answer: D) Sukhoi-30 MKI Explanation: Brahmos, the world’s fastest supersonic cruise missile created history on today after it was successfully flight- tested for the first time from the IAF’s frontline fighter aircraft Sukhoi-30MKI against a sea-based target in the Bay of Bengal. The armed forces are now capable of launching the Brahmos, which has a strike range of around 290 km and is described as the world’s fastest supersonic cruise missile, from land, sea and air, completing the tactical cruise missile triad for the country.

प्र: According to a survey, which country has become the second largest smartphone market in the world? 995 0

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    Japan
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    China
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    India
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    USA
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उत्तर : 3. "India"
व्याख्या :

Answer: C) India Explanation: According to a Report by analyst firm Canalys, India has become the second largest smartphone market in the world.

प्र: Which public sector bank has tied up with Tirumala Milk Products for providing loans to dairy farmers  ? 994 0

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    Axis Bank
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    ICICI Bank
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    State Bank Of India
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    HDFC Bank
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उत्तर : 3. "State Bank Of India"
व्याख्या :

Answer: C) State Bank Of India Explanation: The State Bank of India (SBI) has tied-up with Tirumala Milk Products to provide loans to dairy farmers who supply milk to the latter. As per the scheme for financing dairy units, SBI offers loans for construction of shed, and purchase of milch animals, milking machine, and chaff cutter. Apart from this, the bank also provides loans to dairy societies for modernisation and creation of infrastructure such as purchase of automatic milk collection system, purchase of transport vehicles and bulk chilling unit. The Tirumala Milk Products is a South- based company, which was acquired by France-based Groupe Lactalis in 2014.

प्र: Which of the following is a false statement? 994 0

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    As bond order increases the strength of the bond increases
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    Bond order is proportional to the bond length
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    Molecules with negative bond order are highly unstable
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    Bond order is inversely proportional to the bond length
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उत्तर : 2. "Bond order is proportional to the bond length"
व्याख्या :

Answer: B) Bond order is proportional to the bond length Explanation: Bond order is proportional to the bond length is a False statement since Bond order is inversely proportional to the bond length.

प्र: A lady took loan from a bank at the rate of 12% p.a. simple interest. After 3 years she had to pay Rs. 5400 interest only for the period. The principal amount borrowed by her was : 993 0

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    Rs. 15,000
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    Rs. 1,50,000
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    Rs. 1500
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    Rs. 1,62,000
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उत्तर : 1. "Rs. 15,000"
व्याख्या :

Answer: A) Rs. 15,000 Explanation: Principal = Rs.(100 x 5400)/(12 x 3)= Rs. 15000.

प्र: Oxidation Number of 'S' in H2SO4? 993 0

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    +6
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    +2
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    -6
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    -2
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उत्तर : 1. "+6"
व्याख्या :

Answer: A) +6 Explanation: In H2SO4, Hydrogen has a charge of +2, with each hydrogen has +1. Oxygen has  a charge of -8, with each oxugen has -2. Total charge = (2 - 8) = -6 Therefore, the Oxidation number of Sulphur S is '+6' because to make the compound stable.

प्र: Which Temple has been awarded the ‘most visited place of the world’ by 'World Book of Records' (WBR)? 993 0

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    Vaishnodevi temple
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    Golden Temple
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    Meenakshi Temple
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    Rawli Maharaj Temple
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उत्तर : 2. "Golden Temple"
व्याख्या :

Answer: B) Golden Temple Explanation: WBR that is World Book of Records, the London based organization that focuses on maintaining and cataloging the world records has awarded the title of 'Most visited place in the World' to the famous Golden Temple. This holy Shrine has recorded quite an uplift after the successful Heritage street project carried out by the Amritsar department.  Sri Harmandir Sahib, also known as Golden Temple and the Darbar Sahib, is the holiest Gurdwara and the most important pilgrimage site of Sikhism. It is located in the city of Amritsar, Punjab, India.

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