Bronze used for making bells and gongs is essentially an alloy of copper and tin. Copper containing about 22-24 wt% of tin is often known as bell metal because it has a pleasing sound quality when struck.
Rear view mirro - Plane mirror hota hai jo bich me lga hota hai, jisse ki pichli gadio ki actual speed dikh ske. Side view mirror convex hota hai jisme wider field dikhti hai but actual speed nahi.
Q. 137 yellow Color = Green + Red please correct
Q72. 8 minute and 16 sec?
Ki lagbag pucha hai to 8 min tick kr skte hai kya sir.
Bronze used for making bells and gongs is essentially an alloy of copper and tin. Copper containing about 22-24 wt% of tin is often known as bell metal because it has a pleasing sound quality when struck.
Rear view mirro - Plane mirror hota hai jo bich me lga hota hai, jisse ki pichli gadio ki actual speed dikh ske. Side view mirror convex hota hai jisme wider field dikhti hai but actual speed nahi.
Bell metal is an alloy of Copper and Tin
Q.135 the best conductor of Heat is Mercury and silver is best conductor of electricity plz check 🙏
Best conductor of heat mercury used in thermometer also👍🏿
LPG - Liquefied Petroleum Gas
You are doing great work...thank you
Bell metal is an alloy of cu and sn
Question no.73 distinct object ke liye to hypermetropia hona chahiye tha because dur ke object na dekh pana means long sightness please clear
Ant bite ke acid ko formic acid kehte hai.
Polar satallite revolves around the sun is 36000km
Sir hpssc k bche huye exams ki date kB aayegi Jo joa k sth sth fill huye the?
Sir Maximum Videos laaiye science ki....
Tin and Copper
Hlo sir sci Hindi English exam send krdoo plz link
Bell metal copper and tin
Jai ho guru dev🤘
Very helpfull sr tnku. Dome more videos on science ..
Beri beri roG - VIT - B1 se hota hai
Very helpful sir😍😍
Sir yellow colour kis ko milakar banta hai
Which district of hp at lowest altitude??
Una/bilaspur,,
Bilaspur
Una
According to hpssc ..
Lowest headquarter of hp BILASPUR
Thanks Sir...
Tq sir 😊🙏😊
Sir. Geography question bhi discussion kre🙏🙏🙏🙏🙏
Science ki or videos zrur Dale + Hindi , English also
Mjaa aa gya sir English ka be karo kuch 🙏
Bell metal cu+sn
Sar Pila Rang Lal aur Hare ke mishran Se Banta Hai
Thanku u sir 😊
Yea question 10 saal pehle puche jaate the sir ..
Aaj b puche jate h....
79 question samjha do sir
👍👍👍
Sir I want more questions of this science series for joa exam
Red and green gives yellow
Send krdoo
Sir Ase hi paper laao science k or plzzzz 🙏🙏🙏🙏🙏
Light reaches earth from sun in about 8minute 16 sec. Or 20 sec not 500
He told in seconds 8*60=480+20=500