point object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. The position of image is โ
Anonymous Quiz
31%
6 cm behind mirror
31%
10 cm behind mirror
23%
5 cm behind mirror
15%
7.5 cm behind mirror
โค3๐1
If a lens produces a magnification of โ2, the image is
Anonymous Quiz
10%
Real and upright
40%
Virtual and inverted
43%
Real and inverted
7%
Virtual and upright
โค2
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
โค4
A concave mirror forms a real image 4 times larger than the object. The object is placed โ
Anonymous Quiz
5%
At C
49%
Between C & F
20%
Beyond C
26%
Between F & P
โค4
In a compound microscope, magnification increases if โ
Anonymous Quiz
35%
Eyepiece focal length โ
41%
Objective focal length โ
19%
Objective focal length โ
4%
Tube length โ
โค4๐2
Rainbow formation involves
Anonymous Quiz
7%
Reflection only
17%
Refraction only
63%
Dispersion and reflection
13%
Interference and diffraction
โค1
๐ Day 16 โ NDA Mock Test Task
๐บ Task:
Watch and attempt the full mock test session by Arpit Sir:
๐ 10 KA DUM โ Full NDA Maths Mock Test | Arpit Sir (YouTube Live)
โธป
๐ฏ Your Goals for This Task:
1. Watch the entire video sincerely like a real exam โ 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:
โข โ Mark correct ones
โข โ Note the questions you got wrong or skipped
โข ๐ก Write the correct concept/formula next to each mistake
โธป
๐ 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 โ use this one to find your strengths and fix your weaknesses. ๐ช
๐บ Task:
Watch and attempt the full mock test session by Arpit Sir:
๐ 10 KA DUM โ Full NDA Maths Mock Test | Arpit Sir (YouTube Live)
โธป
๐ฏ Your Goals for This Task:
1. Watch the entire video sincerely like a real exam โ 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:
โข โ Mark correct ones
โข โ Note the questions you got wrong or skipped
โข ๐ก Write the correct concept/formula next to each mistake
โธป
๐ 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 โ use this one to find your strengths and fix your weaknesses. ๐ช
โค12๐ฅ1
Indiaโs Secret Agency Form Out! How to Fill IB ACIO Form Like a Pro โ๏ธ๐ฎ๐ณ
https://youtu.be/qaKCLHGUPwg
https://youtu.be/qaKCLHGUPwg
YouTube
Indiaโs Secret Agency Form Out! How to Fill IB ACIO Form Like a Pro โ๏ธ๐ฎ๐ณ
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 Numberโฆ
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 Numberโฆ
๐4โค2
How To Fill Indiaโs Secret Agency Form Out ๐
How To Fill IB ACIO Form Like A Pro โค๏ธ๐ค
How To Fill IB ACIO Form Like A Pro โค๏ธ๐ค
โค6๐ฅ4๐2
Agar aap eligible ho ya Aapka koi bhai ya sister eligible hai toh zarur form bharvao ๐คโค๏ธ๐
๐3๐2
Aaj Se classes continue? ๐๐ค๐
Anonymous Poll
54%
Yes sir vohi 8pm par ๐ค
46%
Link bhejo sir ab control nai hota ๐
โก8๐ฅ2
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
---
โค9๐2๐ฅ1
๐ Good Morning, Day 18 Warrior! ๐ชโค๏ธ๐ฟ
Youโve already shown amazing consistencyโjust 12 days to go for Day 30, and your discipline is turning into momentum! ๐
๐ Todayโs Mantra:
โYou donโt have to be extreme, just consistent.โ
Keep showing up โ thatโs how winners are built. ๐ก๏ธ๐ฅ
Whether itโs studying, fitness, or your passion projects โ give your best today.
Youโve already shown amazing consistencyโjust 12 days to go for Day 30, and your discipline is turning into momentum! ๐
๐ Todayโs Mantra:
โYou donโt have to be extreme, just consistent.โ
Keep showing up โ thatโs how winners are built. ๐ก๏ธ๐ฅ
Whether itโs studying, fitness, or your passion projects โ give your best today.
โค8๐ซก3
๐ข Get Ready for the English Quiz โ Starts in 10 Minutes!
๐ Time to test your skills and boost your NDA prep to the next level!
โธป
๐ฏ What Youโll Face Today:
๐ง Grammar Traps โ Spot the error & correct the sentence
๐ Vocabulary Power โ Synonyms, Antonyms, Word Usage
๐ญ Idioms & Phrases โ Know their meaning, feel their tone
โ๏ธ Fill in the Blanks โ Context + logic + grammar
๐ Sentence Arrangement โ Build the perfect sequence
๐งญ Todayโs Mantra:
โRead like a detective. Answer like a poet. Think like an officer.โ
This quiz will sharpen your accuracy, boost your exam instincts, and train your brain to stay calm under pressure.
๐ Time to test your skills and boost your NDA prep to the next level!
โธป
๐ฏ What Youโll Face Today:
๐ง Grammar Traps โ Spot the error & correct the sentence
๐ Vocabulary Power โ Synonyms, Antonyms, Word Usage
๐ญ Idioms & Phrases โ Know their meaning, feel their tone
โ๏ธ Fill in the Blanks โ Context + logic + grammar
๐ Sentence Arrangement โ Build the perfect sequence
๐งญ Todayโs Mantra:
โRead like a detective. Answer like a poet. Think like an officer.โ
This quiz will sharpen your accuracy, boost your exam instincts, and train your brain to stay calm under pressure.
๐6โค1
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
โค5
โค4
Idiom: โTo bell the catโ means โ
Anonymous Quiz
74%
To do something dangerous
8%
To fight like cats
6%
To take care of a pet
12%
To make a promise
โค5
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
โค3
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
โค1