Related Questions

একজন ছাত্র পরীক্ষাগারে অভিকর্ষজ ত্বরণের মান 9.88 m/sec2 নির্ণয় করন। অপর দিকে যখন সে 0.01 kg ভরের কোনো বাটখারাকে স্প্রিং নিক্তিতে ঝুলিয়ে দিল তখন 0.0980 N বল দেখাচ্ছে। তার পরীক্ষা অভিকর্ষজ ত্বরণের ত্রুটি নির্ণয় কর।(A student measured the value of acceleration due to gravity in the laboratory as 9.88 m/sec2. On the other hand, when he hanged a mass of 0.01 kg in the spring balance, then he found 0.0980 N force. Calculate the percentage of error in the measured value of the acceleration due to gravity.)
A -0.716%
B -0.102%
C 0.816%
D 0.102%
E -0.916%
গরম বাতাসে পরিপূর্ণ M ভরের একটি বেলুন (থ্রডি সহ) পৃথিবীর দিকে খুব ত্বরণ a তে নেমে আসছে। ঝুড়ি থেকে কি পরিমান m ভর ফেলে দিলে বেলুনটি উপরের দিকে একই খুব ত্বরন a- তে উঠে যাবে ? সকল ক্ষেত্রে বেলুনটির আয়তন একই ছিল বলে ধরে নেওয়া হলো। (g = অভিকর্ষীয় ত্বরন)(A hot air balloon with a bucket is descending towards the earth with a constant acceleration a. The combined mass of the balloon and bucket is M. What mass m from the bucket should be released so that the balloon starts ascending up with the same acceleration a? Consider the volume of the balloon remains constant at all the time. (g=acceleration due to gravity))
A m=2ag+aM
B m=g+a2M
C m=2ag M
D m=M2a(g+a)
E m=ag+M
যে গভীরতা d তে, অভিকর্ষজ ত্বরণের মান ভূপৃষ্ঠে অভিকর্ষজ ত্বরণের মানের 1/n গুণ হয় তা হলো- (এখানে R = পৃথিবীর ব্যাসার্ধ) (The depth d, at which the value of acceleration due to gravity becomes 1/n times the value of it at the surface of the earth is (R-radius of the earth))
A R/n
B R(n - 1) / n
C R/n2
D Rn /n ( n+1)
What is the value of acceleration due to gravity at the centre of earth?
A -1
B 0
C 1
D Infinity
What is the value of acceleration due to gravity on the surface of the earth?
A 9.6\cm\/s2
B 9.8\m\/s2
C 10.8\m\/s2
D 9.8\cm\/s2
What is the value of the acceleration due to gravity (g) of Earth?
A 5.4 m s-2
B 9.8 m s-2
C 3.8 m s-2
D 6.8 m s-2
The component of acceleration resulting due to unsteady nature of flow is called __________ acceleration.
A Normal
B Local
C Convective
D Tangential
If the radius of the earth were to shrink by 1% and its mass remaining the same, the acceleration due to gravity on the earth's surface would:
A decrease by 2%
B remain unchanged
C increase by 2%
D will increase by 9.8 %
If the radius of the earth were to shrink by 1% and its mass remaining the same, the acceleration due to gravity on the earth' surface would:
A decrease by 2%
B remain unchanged
C increase by 2%
D will increase by 9.8%
Due to gravity, acceleration at the Equator is
A Less than acceleration on poles
B More than acceleration on poles
C Equal to acceleration on poles
D Not dependant on the centrifugal accelerationof Earth

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