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Page 1: PowerPoint Presentation · class timing 5:00pm ( gk. ) 8:30pm (science for all exam) 10pm ( gs for all exam) 11 pm (science for all exam ) use code “aman11” to get 10% off on
Page 2: PowerPoint Presentation · class timing 5:00pm ( gk. ) 8:30pm (science for all exam) 10pm ( gs for all exam) 11 pm (science for all exam ) use code “aman11” to get 10% off on
Page 3: PowerPoint Presentation · class timing 5:00pm ( gk. ) 8:30pm (science for all exam) 10pm ( gs for all exam) 11 pm (science for all exam ) use code “aman11” to get 10% off on
Page 4: PowerPoint Presentation · class timing 5:00pm ( gk. ) 8:30pm (science for all exam) 10pm ( gs for all exam) 11 pm (science for all exam ) use code “aman11” to get 10% off on

CLASS TIMING5:00PM ( GK. )

8:30PM (SCIENCE FOR ALL EXAM)10PM ( GS FOR ALL EXAM)

11 PM (SCIENCE FOR ALL EXAM )

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AMAN SIR WIFISTUDY

Page 5: PowerPoint Presentation · class timing 5:00pm ( gk. ) 8:30pm (science for all exam) 10pm ( gs for all exam) 11 pm (science for all exam ) use code “aman11” to get 10% off on

GK/GS/CA

BY

AMAN SIR

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Q1. Therm is the unit of

थर्म की इकाई है

a) Heat / उष्र्ाb) Temperature / तापर्ानc) Thermometry / तापमर्ततd) Work / कार्म

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Q2. Ice is packed in saw dust because

बर्म को बुरादा र्ें पैक ककर्ा जाता है क्र्ोंकक

a) Saw dust is poor conductor of heat / बुरादा ऊष्र्ा का खराब चालक है

b) Saw dust is a good conductor of heat / बुरादा ऊष्र्ा का अच्छाचालक है

c) Saw dust does not stick to the ice / बुरादा बर्म से नह ीं चचपकता है

d) Saw dust will not get melted easily / बुरादा आसानी से नह ीं पपघलेगा

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Q3. water is used in hot water bags because

पानी का उपर्ोग गर्म पानी की थैमलर्ों र्ें ककर्ा जाता है क्र्ोंकक-

a) It is easily available / र्ह आसानी से उपलब्ध हैb) It is cheap and not harmful / र्ह सस्ता है और हातनकारक

नह ीं हैc) Its specific heat is more / इसकी पिमिष्ट ऊष्र्ा अचधक होती

हैd) Water can be heated easily / पानी को आसानी से गर्म ककर्ा

जा सकता है

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Page 10: PowerPoint Presentation · class timing 5:00pm ( gk. ) 8:30pm (science for all exam) 10pm ( gs for all exam) 11 pm (science for all exam ) use code “aman11” to get 10% off on

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Q4. Which of the following metal has the maximum thermal

conductivity?

तनम्नमलखखत र्ें से ककस धातु र्ें अचधकतर् ऊष्र्ीर् चालकता है?

a) Iron / लोहाb) Aluminium / एल्रु्मर्तनर्र्c) Copper / कॉपरd) Silver / मसल्िर

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Q5. A body absorbs maximum amount of heat when it is

एक िर र ऊष्र्ा की अचधकतर् र्ात्रा को अििोपित करता हैजब र्ह होता है-

a) Black and rough / काला और खुरदराb) Black and smooth / काला और चचकनाc) White and rough / सरे्द और खुरदराd) White and smooth / सरे्द और चचकना

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Q6. Heat of a reaction does not depend upon.

एक प्रततकिर्ा की ऊष्र्ा ककस पर तनर्मर नह ीं करती है।

a) Temperature of reaction / प्रततकिर्ा का तापर्ानb) Path by which final product is obtained / िह पथ जजसके द्िारा अींततर्

उत्पाद प्राप्त ककर्ा जाता हैc) Physical state of product and reactant / उत्पाद और अमर्कारक की र्ौततक

अिस्थाd) Reaction takes place at constant pressure or constant volume. / जस्थर

दबाि र्ा जस्थर आर्तन पर प्रततकिर्ा होती है।

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Q7. Which of the following causes more burn?

तनम्नमलखखत र्ें से कौनसा अचधक जलने का कारण बनता है?

a) Boiling water / उबलता पानीb) Hot water / गर्म पानीc) Steam / र्ाप d) None of these / इनर्े से कोई नह ीं

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Q8. The direction of flow of heat between any two system

depends on

ककसी र्ी दो प्रणाल के बीच गर्ी के प्रिाह की ददिा तनर्मर करती है

a) Their specific heat / उनकी पिमिष्ट ऊष्र्ा परb) Their latent heat / उनकी गुप्त ऊष्र्ा परc) Their individual temperature / उनका अलग-अलग तापर्ान पर d) Amount of heat they contain individually / ऊष्र्ा की र्ात्रा जो िे

अलग-अलग रखत ेहै

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Q9. Due to the horizontal motion of air, transfer of heat is

known as:

हिा की क्षैततज गतत के कारण ऊष्र्ा के स्थानाींतरण को तनम्न के रूप र्ें जाना जाता है:

a) Advection / अमर्िहन b) Convection / सींिहनc) Conduction / चालनd) Radiation / पिककरण

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Q10. Convection occurs in which of the

following

सींिहन तनम्न र्ें से ककसर्ें होता है

a)Only solids and liquids / केिल ठोस और तरल b)Only liquids and gases / केिल तरल और गैस c)Only gases and solids / केिल गैस और ठोसd)Solid, liquid and gases / ठोस, तरल और गैस

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Q11. Which of the following liquid contains highest

rate of vaporizatio.तनम्न र्ें से ककस तरल र्ें िाष्पीकरण की उच्चतर्

दर होती है-

a) Kerosene oil / मर्ट्ट का तेलb) Water / पानीc) Petrol / पेट्रोल d) Alcohol / िराब

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Q12. The hottest part of gas flame is known as

गैस फ्लेर् के सबसे गर्म र्ाग के रूप र्ें जाना जाताहै-

a) Non-Iuminous zone / गैर-प्रकािर्कु्त के्षत्रb) Blue zone / ब्लू के्षत्रc) Luminous zone / प्रकािर्कु्त क्षेत्रd) Dark zone / डाकम क्षेत्र

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Q13. Earth is a

पथृ्िी एक है-

a) Good reflector of heat / ऊष्र्ा की अच्छी पराितमकb) Bad absorber of heat / ऊष्र्ा का खराब अििोिकc) Good absorber and good radiator of heat / ऊष्र्ा का

अच्छा अििोिक और अच्छा रेडडएटरd) Bad absorber and bad radiator of heat / ऊष्र्ा का खराब

अििोिक और खराब रेडडएटर

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Q14. energy travels from sun to earth by which of

following method

ऊजाम तनम्न र्ें से ककस पिचध द्िारा सूर्म से पथृ्िी तकजाती है-

a) Conduction / चालनb) Insolation / आतपनc) Radiation / पिककरणd) Modulation / र्ॉड्र्ूलेिन

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Q15. The characteristics invalid for heat radiation is that is

travels

ऊष्र्ा पिककरण के मलए पिििेता अर्ान्र् है जो र्ात्रा करती है-

a) In a straight line / एक सरल रेखा र्ेंb) In all directions / सर्ी ददिाओीं र्ेंc) With the speed of light / प्रकाि की चाल के साथd) Heating the medium through which it passes / र्ाध्र्र्

को गर्म करना जजसके र्ाध्र्र् से र्ह गुजरता है

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CLASS TIMING5:00PM ( GK. )

8:30PM (SCIENCE FOR ALL EXAM)10PM ( GS FOR ALL EXAM)

11 PM (SCIENCE FOR ALL EXAM )

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AMAN SIR WIFISTUDY

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THANK YOU

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