If a lens produces a magnification of –2, the image is
Anonymous Quiz
10%
Real and upright
40%
Virtual and inverted
43%
Real and inverted
7%
Virtual and upright
❤2
A convex lens of focal length 20 cm is placed in contact with a concave lens of focal length 30 cm. The focal length of the combination is
Anonymous Quiz
26%
50 cm
41%
60 cm
26%
-60 cm
7%
120 cm
❤4
A concave mirror forms a real image 4 times larger than the object. The object is placed —
Anonymous Quiz
5%
At C
49%
Between C & F
20%
Beyond C
26%
Between F & P
❤4
In a compound microscope, magnification increases if —
Anonymous Quiz
35%
Eyepiece focal length ↑
41%
Objective focal length ↑
19%
Objective focal length ↓
4%
Tube length ↓
❤4🙉2
Rainbow formation involves
Anonymous Quiz
7%
Reflection only
17%
Refraction only
63%
Dispersion and reflection
13%
Interference and diffraction
❤1
📚 Day 16 – NDA Mock Test Task
📺 Task:
Watch and attempt the full mock test session by Arpit Sir:
🔗 10 KA DUM – Full NDA Maths Mock Test | Arpit Sir (YouTube Live)
⸻
🎯 Your Goals for This Task:
1. Watch the entire video sincerely like a real exam – no fast-forwarding, no skipping.
2. Attempt each question live, along with Arpit Sir, using a pen, notebook, and timer.
3. Write down your answers separately and mark the ones you were unsure about.
4. After the session ends, check your answers and:
• ✅ Mark correct ones
• ❌ Note the questions you got wrong or skipped
• 💡 Write the correct concept/formula next to each mistake
⸻
📝 Tip:
Treat this mock test as your actual NDA exam. Focus on time management, accuracy, and real test pressure. Avoid distractions.
Mock tests are your mirror — use this one to find your strengths and fix your weaknesses. 💪
📺 Task:
Watch and attempt the full mock test session by Arpit Sir:
🔗 10 KA DUM – Full NDA Maths Mock Test | Arpit Sir (YouTube Live)
⸻
🎯 Your Goals for This Task:
1. Watch the entire video sincerely like a real exam – no fast-forwarding, no skipping.
2. Attempt each question live, along with Arpit Sir, using a pen, notebook, and timer.
3. Write down your answers separately and mark the ones you were unsure about.
4. After the session ends, check your answers and:
• ✅ Mark correct ones
• ❌ Note the questions you got wrong or skipped
• 💡 Write the correct concept/formula next to each mistake
⸻
📝 Tip:
Treat this mock test as your actual NDA exam. Focus on time management, accuracy, and real test pressure. Avoid distractions.
Mock tests are your mirror — use this one to find your strengths and fix your weaknesses. 💪
❤12🔥1
India’s Secret Agency Form Out! How to Fill IB ACIO Form Like a Pro ✍️🇮🇳
https://youtu.be/qaKCLHGUPwg
https://youtu.be/qaKCLHGUPwg
YouTube
India’s Secret Agency Form Out! How to Fill IB ACIO Form Like a Pro ✍️🇮🇳
SSBGUIDE APP(Android) :- https://play.google.com/store/apps/details?id=co.penny.wmvbs
For the IOS users :-
Step1:- iOS app :- https://apps.apple.com/in/app/myinstitute/id1472483563
Step2:- Use Org Code :- hivdud
Step3:- Login through your Mobile Number…
For the IOS users :-
Step1:- iOS app :- https://apps.apple.com/in/app/myinstitute/id1472483563
Step2:- Use Org Code :- hivdud
Step3:- Login through your Mobile Number…
👍4❤2
How To Fill India’s Secret Agency Form Out 😃
How To Fill IB ACIO Form Like A Pro ❤️🤓
How To Fill IB ACIO Form Like A Pro ❤️🤓
❤6🔥4💋2
Agar aap eligible ho ya Aapka koi bhai ya sister eligible hai toh zarur form bharvao 🤗❤️🙏
🎉3👍2
Aaj Se classes continue? 😃🤓😇
Anonymous Poll
54%
Yes sir vohi 8pm par 🤓
46%
Link bhejo sir ab control nai hota 😄
⚡8🔥2
SSB GUIDE - Arpit Sir is inviting you to a scheduled Zoom meeting.
Topic: Probability - Free Zoom Class For NDA
Time: Jul 21, 2025 08:00 PM Mumbai, Kolkata, New Delhi
Join Zoom Meeting
https://us06web.zoom.us/j/9457731831?pwd=V1ZRdxn9Odkm5zvAJHFVgd4oFLaCEs.1&omn=84907030751
Meeting ID: 945 773 1831
Passcode: 475763
---
Topic: Probability - Free Zoom Class For NDA
Time: Jul 21, 2025 08:00 PM Mumbai, Kolkata, New Delhi
Join Zoom Meeting
https://us06web.zoom.us/j/9457731831?pwd=V1ZRdxn9Odkm5zvAJHFVgd4oFLaCEs.1&omn=84907030751
Meeting ID: 945 773 1831
Passcode: 475763
---
❤9😈2🔥1
🌞 Good Morning, Day 18 Warrior! 💪❤️🌿
You’ve already shown amazing consistency—just 12 days to go for Day 30, and your discipline is turning into momentum! 🚀
🌟 Today’s Mantra:
“You don’t have to be extreme, just consistent.”
Keep showing up — that’s how winners are built. 🛡️🔥
Whether it’s studying, fitness, or your passion projects — give your best today.
You’ve already shown amazing consistency—just 12 days to go for Day 30, and your discipline is turning into momentum! 🚀
🌟 Today’s Mantra:
“You don’t have to be extreme, just consistent.”
Keep showing up — that’s how winners are built. 🛡️🔥
Whether it’s studying, fitness, or your passion projects — give your best today.
❤8🫡3
📢 Get Ready for the English Quiz – Starts in 10 Minutes!
🕙 Time to test your skills and boost your NDA prep to the next level!
⸻
🎯 What You’ll Face Today:
🧠 Grammar Traps – Spot the error & correct the sentence
📘 Vocabulary Power – Synonyms, Antonyms, Word Usage
🎭 Idioms & Phrases – Know their meaning, feel their tone
✍️ Fill in the Blanks – Context + logic + grammar
🔀 Sentence Arrangement – Build the perfect sequence
🧭 Today’s Mantra:
“Read like a detective. Answer like a poet. Think like an officer.”
This quiz will sharpen your accuracy, boost your exam instincts, and train your brain to stay calm under pressure.
🕙 Time to test your skills and boost your NDA prep to the next level!
⸻
🎯 What You’ll Face Today:
🧠 Grammar Traps – Spot the error & correct the sentence
📘 Vocabulary Power – Synonyms, Antonyms, Word Usage
🎭 Idioms & Phrases – Know their meaning, feel their tone
✍️ Fill in the Blanks – Context + logic + grammar
🔀 Sentence Arrangement – Build the perfect sequence
🧭 Today’s Mantra:
“Read like a detective. Answer like a poet. Think like an officer.”
This quiz will sharpen your accuracy, boost your exam instincts, and train your brain to stay calm under pressure.
👍6❤1
Spot the Error:
Each of the boys (A) / have paid (B) / their fees. (C) / No error (D)
Each of the boys (A) / have paid (B) / their fees. (C) / No error (D)
Anonymous Quiz
20%
A
61%
B
7%
C
11%
D
❤5
❤4
Idiom: “To bell the cat” means —
Anonymous Quiz
74%
To do something dangerous
8%
To fight like cats
6%
To take care of a pet
12%
To make a promise
❤5
Spot the Error:
Neither the teacher nor the students (A) / was aware (B) / of the new policy. (C) / No error (D)
Neither the teacher nor the students (A) / was aware (B) / of the new policy. (C) / No error (D)
Anonymous Quiz
12%
A
69%
B
6%
C
13%
D
❤3
One Word Substitution:
A person who loves mankind
A person who loves mankind
Anonymous Quiz
19%
Misogynist
17%
Philatelist
48%
Philanthropist
17%
Optimist
Spot the Error:
He did not went (A) / to the party because (B) / he was ill. (C) / No error (D)
He did not went (A) / to the party because (B) / he was ill. (C) / No error (D)
Anonymous Quiz
60%
A
8%
B
10%
C
22%
D
❤1
Idiom: “At the eleventh hour” means —
Anonymous Quiz
5%
Very early
14%
Unexpectedly
77%
Last possible moment
4%
Late night
❤3