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07/03/2026

🔥 How a Microwave Oven Works
A microwave oven uses a device called a magnetron to generate microwave radiation. These waves enter the cooking chamber and make water molecules in food vibrate, producing heat and cooking the food quickly.
📚 Simple science behind everyday technology!
✍️ Handwritten notes by Er. Deepak Gupta

04/03/2026

22/04/2025

Algebra Basics – Must-Know Formulas!

Struggling with algebra? Here are some basic formulas to keep handy:

1. (a + b)² = a² + 2ab + b²

2. (a - b)² = a² - 2ab + b²

3. a² - b² = (a + b)(a - b)

4. (x + a)(x + b) = x² + (a + b)x + ab

5. (x - a)(x - b) = x² - (a + b)x + ab

Save this post for quick reference!
Math made simple, one formula at a time.

21/04/2025

This Video explains Algebra Class 10 of Quadratic Equations Chapter 2.
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23/03/2025

🔥 100 Most Common Phrasal Verbs with Hindi Meaning 🚀

1. Put on (Wear) - पहनना
2. Take off (Remove) - उतारना
3. Turn on (Start) - चालू करना
4. Turn off (Stop) - बंद करना
5. Pick up (Lift) - उठाना
6. Give up (Quit) - छोड़ देना
7. Look for (Search) - खोजना
8. Look after (Take care) - देखभाल करना
9. Run out of (Finish) - खत्म हो जाना
10. Set up (Establish) - स्थापित करना
11. Bring up (Mention/raise) - ज़िक्र करना/पालना
12. Go on (Continue) - जारी रखना
13. Break down (Stop working) - खराब होना
14. Call off (Cancel) - रद्द करना
15. Carry on (Continue) - जारी रखना
16. Cut off (Disconnect) - काट देना
17. Get along (Be friendly) - मेल-जोल रखना
18. Hold on (Wait) - रुको
19. Keep on (Continue) - जारी रखना
20. Look out (Be careful) - सावधान रहना
21. Pass away (Die) - निधन हो जाना
22. Put out (Extinguish) - बुझाना
23. Run into (Meet accidentally) - अचानक मिलना
24. Show up (Arrive) - आना
25. Take over (Gain control) - नियंत्रण लेना
26. Turn down (Reject) - अस्वीकार करना
27. Work out (Exercise) - व्यायाम करना
28. Check out (Investigate) - जांचना
29. Drop off (Deliver) - छोड़ना
30. Figure out (Understand) - समझना
31. Give in (Surrender) - हार मान लेना
32. Hand out (Distribute) - बांटना
33. Hang up (End a call) - फोन रखना
34. Let down (Disappoint) - निराश करना
35. Look into (Investigate) - जांच करना
36. Make up (Invent) - गढ़ना
37. Pass out (Faint) - बेहोश होना
38. Put up with (Tolerate) - सहन करना
39. Run away (Escape) - भाग जाना
40. Set off (Start a journey) - यात्रा शुरू करना
41. Take after (Resemble) - समान दिखना
42. Tear up (Rip into pieces) - फाड़ देना
43. Try on (Test clothes) - पहनकर देखना
44. Wake up (Stop sleeping) - जागना
45. Write down (Record) - लिख लेना
46. Break up (End a relationship) - रिश्ता खत्म करना
47. Call back (Return a call) - वापस फोन करना
48. Carry out (Perform) - पूरा करना
49. Come across (Find unexpectedly) - संयोग से मिलना
50. Do away with (Eliminate) - समाप्त करना
51. Drop out (Quit) - छोड़ देना
52. Fall apart (Break into pieces) - बिखर जाना
53. Get back (Return) - वापस आना
54. Give away (Donate) - दान करना
55. Hang out (Spend time) - समय बिताना
56. Hold back (Restrain) - रोकना
57. Keep away (Maintain distance) - दूर रखना
58. Look up to (Respect) - सम्मान करना
59. Make out (Understand) - समझना
60. Pay back (Repay) - वापस चुकाना
61. Point out (Indicate) - संकेत करना
62. Put back (Replace) - वापस रखना
63. Run over (Hit with a vehicle) - कुचल देना
64. Settle down (Start a stable life) - स्थिर होना
65. Stick to (Continue firmly) - डटे रहना
66. Take back (Withdraw) - वापस लेना
67. Throw away (Discard) - फेंक देना
68. Turn up (Increase) - बढ़ाना
69. Walk away (Leave) - छोड़कर जाना
70. Wipe out (Destroy) - नष्ट करना
71. Bring about (Cause) - कारण बनना
72. Call out (Shout) - चिल्लाना
73. Come up with (Suggest) - सुझाव देना
74. Drop in (Visit casually) - अचानक मिलना
75. Fill out (Complete a form) - फॉर्म भरना
76. Get through (Succeed) - पार करना
77. Hand in (Submit) - जमा करना
78. Knock down (Demolish) - गिरा देना
79. Look over (Examine) - जांचना
80. Move on (Continue) - आगे बढ़ना
81. Pass by (Go past) - पास से गुजरना
82. Put off (Postpone) - टालना
83. Show off (Boast) - दिखावा करना
84. Speak up (Talk loudly) - जोर से बोलना
85. Take apart (Dismantle) - अलग करना
86. Think over (Consider) - विचार करना
87. Use up (Exhaust) - समाप्त करना
88. Watch out (Be careful) - सावधान रहना
89. Break into (Enter forcefully) - जबरदस्ती घुसना
90. Bring down (Reduce) - कम करना
91. Carry away (Overexcite) - उत्साहित करना
92. Check in (Register) - प्रवेश करना
93. Cut down (Reduce) - घटाना
94. Die down (Become less intense) - शांत होना
95. End up (Finally reach) - अंत में होना
96. Fall for (Be deceived) - धोखा खाना
97. Get rid of (Eliminate) - छुटकारा पाना
98. Look down on (Despise) - तिरस्कार करना
99. Run behind (Be late) - देर हो जाना
100. Step down (Resign) - इस्तीफा देना

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